To demonstrate the removal of heat during evaporation.

If you place a cup of water filled to the brim in front of a duck that is movably suspended in a frame and moisten its head, the duck will tilt its head into the glass.

As long as it can dip its beak in and moisten it, it will “drink”.

100ml glass spirit lamp with a screw-on aluminum base cap.

Small, strong I-magnet made of AlNiCo material.

Motor operating voltage 1...6V, bulb operating voltage 6V. Sockets for 4mm connectors.

Bulb socket E10 for so-called flashlight bulbs. Connection of wires under screw terminals or with 4 mm bar connectors.

Bulb socket for E10 bulbs. Connection sockets for 4mm pin plugs.

Connecting wires with magnetic tips make it easy to build a circuit. The batteries and bulb socket shown in the picture are not included. The set consists of 10 connecting wires.

For a quick and very clear explanation of subtractive color mixing without any additional aids;

three plastic discs coated in the colors:

yellow, magenta (purple), cyan (blue-green);

diameter: 195 mm each

For simple experiments with different colors. 5x5 cm, plastic

For studying color mixing. Length with handle 150mm

Material samples for the detection of electrically conductive and non-conductive materials;

Set consisting of the following materials:

Aluminum

Copper

Cotton

Wood

Plastic

Carbon

Silicone rubber

Length: 65 mm each

Weight: approx. 7 g

Material samples for the detection of electrically conductive and non-conductive materials (conductivity);

Set consisting of the following materials:

Aluminum

Copper

Cotton

Wood

Carbon

Rubber

Glass

Length: approx. 150 mm each

Weight: approx. 82 g

Length 25 cm. Available in different colors, wires are with extendable 4mm connectors.

This clock (Ø 27cm) is characterized by a large stand, sturdy design, exact hand movement and clear dial.

Packed in a box.

• Outside temperature and humidity via transmitter
• Room climate with indoor temperature and humidity
• Weather forecast with symbols, air pressure history
• Programmable alarm conditions, storm warning
• Radio clock with alarm and date, backlit display

Contains:

petri dish,

Drigalski glass spatula,

syringe 20ml,

cover glasses and glass slides,

Pasteur pipette,

Eppendorf test tube,

glass pipette,

dissection needle,

scissors,

tweezers,

scalpel with replaceable blade,

plastic box with lid.

Dimensions of the outer plastic box 30x19x7cm.

Working model of an electric motor for student experiments. By assembling this model, students become familiar with the components and structure of a motor. The simplicity of the model enables a transparent representation of the function of the motor. The permanent magnet can be replaced by an electromagnet, which allows the motor to be operated with both direct and alternating current. Of course, operation as a main or shunt motor is also possible! The drive shaft of the motor is equipped with a pulley.

The tools required to assemble the working model are included in the scope of delivery!

Voltage supply in DC operation: 1.5 ... 5 V

Voltage supply in AC operation: 6 ... 9 V

Dimensions (in plastic box): 133 x 104 x 42 mm

Dimensions (finished model): 133 x 104 x 100 mm

Mass: approx. 277 g

Can be used as both a motor and a generator in various DC experiments.

DC voltage: 0–5 V

Current: 0–0.3 A

Diameter: 32 mm

Cable length: 50 cm

Shaft diameter: 2 mm

Electric motor 2-6V on base with rubber feet and 4 mm safety banana sockets. Can also be used as a electric generator. Produces 1.5 V with 90 mA at approx. 2500 rpm.

Circuits

Electrical engineering is omnipresent in the pupils' world of experience. The experiments in the case help them gain insights into the use of electricity to generate light, heat and movement. These three possible uses are reproduced in simple experiments and then transferred to the environment.
The children learn that electricity can only develop its effect when it "flows in a circle" through conductive materials - and that technically stable connections are necessary for this. The simple materials in the case in traditional connection technology make these elementary relationships transparent and manageable.

The following topics are covered:

• Open and closed circuits
• Series and parallel connection
• Conductive and non-conductive materials
• Electric current hazards
• The path of household electricity

From Batt-Man to the trembling roller coaster with the buttonhole lamp to the robot game.

• 33 stations with suitable templates
• Material for 15 groups

Materials for 15 work groups.

Thermometers teaching unit Children learn how to make a thermometer by themselves, how to use it and how to determine freezing and boiling points of water on a thermometer without scale. This way they learn the basic terminology and theories of heat and thermal expansion. Evaporation and condensation teaching unit Children learn to understand the water cycle by finding out what happens when a liquid is converted into a gas and that a gas can be converted back into a liquid.

Thermometers teaching unit • Heating and cooling water • Heating and cooling methylated spirits • How does a thermometer function? • What is a thermometer for? • The Celsius scale • Taking temperature measurements and reading exercises Evaporation and condensation teaching unit • Converting a liquid into a gas • Water evaporates, vaporizes too • Vaporizing liquids are cooling • Can a gas be re-converted into a liquid? • What happens when steam cools down? • The water cycle • How water particles unite

Materials for up to 22 workstations.

Can light go around the corner? Are there coloured shadows? Why is it dark at night? Light and shadow, colour and reflection are optical phenomenons, that fascinate children. Experiments will help them to understand the natural scientific facts behind the phenomenon. The field of vision, the structure of the human eye and other secrets become comprehensible. All experiments tie in with the experiences of the children. In a playful way they will find out the laws of reflection, the composition of light and optical illusions. Playing with shadows will lead to surprising discoveries.

Light and vision • Human eye • Field of vision • Seeing in the dark • Optical illusions Reflections • Strange multiplication • Flame in water • Curved mirrors • Flexible mirrors Shadow • Shadow • Shadow play • Coloured shadows • Day and night Colours • Colours of the rainbow • Colours in the light.

Materials for up to 24 workstations.

Lessons about magnets Children learn about the properties of magnets. Half of the bar magnets in the kit do not have pole marks so that the children learn to determine north and south poles for themselves. Lessons about the magnetic compass Experiments with suspended or floating magnets lead to an understanding of how compasses work. Children also learn to assemble their own compasses and to use them properly.

Magnet – Iron • The big material test • A ‘metal exhibition’ • Uncle Scrooge’s fishing game • The big iron test • Rusty bike? • Using paper clips to find magnets Magnetic force • The swinging paper clip • The walking scarecrow • The dancing snake • The floating paper clip Pro and Contra • The bewitched second magnet • Magnets in a tube • The bewitched garage • The submarine trip Mixed information about magnets • How people discovered magnets • The biggest magnet we know • The teacher’s magnet exhibition • Make your own magnets • Magnets without marked north poles Hanging, floating and turning magnets • Floating magnets • Hanging magnets • Making compasses, using hanging and floating magnets • Floating compass needles • ‘Real’ compass.

Materials for up to 25 workstations.

This kit can be used in lessons covering physical and technical subjects as well as music and languages. The kit is especially suitable for learning in groups at specific workstations but can be used for any other type of lesson too. With the help of four CDs the children learn to classify sounds and noises and to identify and name them. They also learn to distinguish similar noises. Needed in addition: One or two CD-players.

Hearing, recognising and naming sounds • Assigning pictures to noises • Recognising and naming sounds • Pairs of sounds • Miming a sound story Hearing, seeing and feeling vibrations • Secret tickling • A tuning fork in water • Tuning fork ball games • Singing needles and steel strips Making high and low tones • The rubber band zither • Building a xylophone • A panpipe • A mbira (thumb piano) Amplifying and damping sound • Loud or quiet? • The mysterious body • A sound beaker • A ‘cackle box’ Transmitting sound • Why do we have two ears? • Along the string and into your ear • A string telephone • Sound travels • The magic finger • A stethoscope • Hearing through plastic tubes Conclusion • Accompanying a story with suitable noises

The block systems illustrate the golden rule of mechanics: lift large masses with little force. The set includes wheels, jigs and bolts-screws for assembling the blocks, and a cord.

Fiber optic light that changes the color of the light. Powered by 3xAA batteries.

Light and compact to take with you, only 65cm long when folded.

H=135mm, d=67mm, GL45

Material: glass. For studying the refraction of light. Dimensions: 38x38x38mm, height 30mm.

Running times:

30 sec +-10%

1 min +-10%

3 min +-10%

5 min +-10%

10 min +-10%

In plastic box with handle.

To explain real and virtual images on the mirror;

the virtual image of the "F" is clearly visible on a semi-transparent mirror.

If you push the reversed "F" into this place, you can clearly prove that the object and the image are symmetrical to each other.

Semi-transparent mirror, 135 x 70 mm, in 2 brackets, two objects with "F", one of them mirror-inverted.

Weight: approx. 114 g

For an impressive demonstration of energy conservation and momentum;

4 rubber balls of different sizes, one on top of the other, arranged on a plastic axle.

The bottom rubber ball is firmly connected to the axle, while the next two rubber balls can move on the axle, but cannot leave it.

Only the top, smallest rubber ball can move completely on the axle.

Ball diameter: 48/37/24/21 mm (delivered with two small replacement balls)

If you drop the impulse cannon from a certain height onto a solid floor, after impact the top, small rubber ball flies upwards at a multiple of the final falling speed v0 and can reach enormous heights.

If you mark the maximum heights (hM) on a wall, you can work out a connection to different starting heights (hA).

Measuring range -50…+500°C (-58 °F…+932 °F)

Material: Plastic

Power consumption: Batteries

Batteries included

Batteries: 2 x AAA 1.5 V

Dimensions: (L) 39 x (B) 110 x (H) 144 mm

Weight: 144 g

For experiments with magnets. In a plastic cup.

This case contains an easy-to-use collection of measuring devices that can be used in primary school wherever temperature, weight and length need to be learned and measured. It has proven itself in physical education in physical and biological studies, but also in mathematics lessons.

The pupils can acquire elementary and contemporary knowledge about measurement conventions as well as the functioning and use of measuring devices. In a "measurement triathlon" they demonstrate that they can select the right measuring device, use it properly and record the results.

1 - Celsius and Fahrenheit

2 - Build a thermometer yourself

3 - Build a reading trainer for thermometer scales

4 - ideas for temperature measurements

5 - Measure temperatures at home

6 - Solve tasks for measurement masters

7 - Weighing with the beam scale

8 - Build your own rocker scale

9 - See through the quick scales and use them correctly

10 - Determine the weight of sleeping folders

11 - How do you know how long a meter is?

12 - Make a tape measure for your pocket

13 - We measure each other / measuring tasks with the measuring tape

14 - Measure with the caliper out of the box

15 - Build a caliper yourself

Materials for 1 – 3 work group or demonstration.

This kit allows two or three groups of children to carry out simple experiments. Teachers can also use it for demonstration. The manual describes 101 experiments on the following topics: ƒ Force/Energy ƒ Water ƒ Electric current ƒ Magnets ƒ Air and sound ƒ Light ƒ Heat ƒ Plants.

Survey of experiments: Force • What is a force? • Force and counterforce • Forces change motions • Forces at the tug-of-war ... and 10 further experiments Heat • A water thermometer • How steam ... – is made from water – will become water again • How seawater can be made drinkable ... and 9 further experiments Electricity • A simple electric circuit • Lamps side by side in parallel • Lamps one behind the other in series • Good and bad conductors ... and 4 further experiments Water • Is water a body? • Can water displace air? • Can water stand inclined? • Where does the water go? ... and 8 further experiments Energy • What is a force? • Force and counterforce • Forces change motions • Forces at the tug-of-war ... and 2 further experiments Light • Which way does the light take? • How the light can be controlled • An object in the light beam • Can light be swallowed? ... and 10 further experiments Air and sound • Is air also a body? • Air is an elastic body • How sound waves can be seen • Can the sound go round the corner? ... and 12 further experiments Plants • Plants need light • When plants sweat in the sun • Plants improve the air • Plants produce oxygen ... and 4 further experiments Magnets • Magnets have a force • Do all materials react on a magnet? • When magnets encounter • Penetrating forces ... and 5 further experiments.

Materials for 15 work groups

The kit provides simple seesaws, beam balances, spring balances, dial balances and balance beam (lever) calculating machines. Children learn some historical and physical aspects of scales and weighing. 

They also learn 

ƒ to understand the principle of a seesaw 

ƒ to assemble and use a beam balance 

ƒ to calculate with a system of measures 

ƒ a common system of measures 

ƒ to appreciate the advantages of a common system of measures.

Some examples of experiments: 

ƒ from seesaw to balance 

ƒ beam balance 

ƒ Egyptian balance 

ƒ Roman balance 

ƒ Spring scale with calibration 

ƒ Calculator balance (equal-arm lever) 

ƒ Calculator balance (unequal-arm lever)

Four colored round magnets on a common rod.

A paste-like magnetic material in a can that can be "attracted" to it with the included neodymium magnet.

h=290mm, d=40mm.

Experiments:

Propagation of light

Creation of shadows

Reflection of light

Refraction of light

Reflection on a mirror

Images on a flat mirror

Focal point of a convex lens

Images through convex lenses

Function of the eye

Function of glasses

Model of a camera

Model of a slide projector

Model of an astronomical telescope

Model of a microscope

Decomposition of light

For experiments on reflection or for creating images on a flat mirror;

high-quality, flat mirror with ground edges

Material: glass, coated

Dimensions: 75 x 50 x 3 mm

Weight: approx. 28 g

For experiments on reflection on a flat mirror (angle of incidence, angle of reflection) and on creating images on a flat mirror;

Flat mirror on a metal block

Material: plastic film, coated

Dimensions: 68 x 13 x 12 mm

Weight: approx. 12 g

For studying reflections in optics. Plastic base with safe aluminized mirror surface 145x95mm.

Consists of two wooden boards 29 x 21 cm, adjustable screws for setting the compressive tension.

Wooden leaf and plant press for making herbarium.

Set includes 2 wooden panels and 6 cardboard plates. Dimensions 17 x 17 cm.

Made of plastic, dimensions 37x43x12mm, weight 6g. Equipped with a hanging loop.

Made in Germany

Single wheel block. Wheel d=50mm. Hooks at both ends.

10 clocks. On a foil (11 x 12cm) printed dial with recordable digital display and individually adjustable hands.

Packed in a cardboard box.

Ideal for the simple measurement of noise levels in your environment, at work or during different leisure activities, equivalent A-weighted sound level (dBA), MAX/MIN/HOLD function, precision ±1,4 dB, backlight, with windshield and tripod screw, according to IEC 61672-1 class 2

Range: dB: 30...130 measures 52 x 35 x 155 mm, kaal 115 g, battery 1x 9V

Classic mechanical stopwatch.

Large circle 30 seconds, small circle 15 minutes.

Soft, can also be used as a hand puppet.

Includes toothbrush.

Dimensions 150 x 185 x 140 mm

The Go Direct Temperature Probe is a rugged, general-purpose sensor that students can use to monitor temperature. It connects via Bluetooth^® wireless technology or via USB to your device.

Specifications

• Range: –40 to 125°C
• Handle range: –10 to 45°C
• Resolution: 0.01°C
• Accuracy: ±0.25°C
• Response time (time for 90% of reading): 20 seconds (in water, with stirring)
• Connections:
  • Wireless: Bluetooth
  • Wired: USB

Made of glass, wall thickness 0.8mm.

Temperature tolerance 525°C, acid class according to DIN 12116: S1, alkali class DIN SO 695: A2

Made of glass, wall thickness 0.8mm.

Temperature tolerance 525°C, acid class according to DIN 12116: S1, alkali class DIN SO 695: A2

Ferrite magnet, red. Length 100mm, jaw width 65mm, magnet thickness 15mm.

For easier experiments with a vacuum.

The UV-resistant weather station contains a rotating weathercock, a rain gauge and an instrument panel with max. min- thermometer, barometer and hygrometer.

With the mounting hole in the base plate and the weather station stand, you can set up these weather station outdoors.

Packed in a cardboard box

Colour-illuminated display with clear layout

Combined transmitter for wind, temperature and humidity

Animated graphic of wind force with wind turbine

Weather forecast with symbols and atmospheric pressure trend

Alarm limits, max. / min. values, dew point

• Combined wireless transmitter for outdoor temperature, humidity and wind speed
• Indoor temperature and humidity
• Weather forecast with symbols and atmospheric pressure trend
• Max.- min.-function, trend indicators, dew point, windchill factor
• Wind speed graph, maximum speed and history (last hour, 24 hours, 7 days, 30 days and year)
• Programmable alarm functions
• Radio-controlled clock with date and day of the week (6 languages)
• Colour display with two brightness levels (continuous operation by power adapter)
• Expandable with 2 thermo-hygro-transmitters (T/H 30.3221.02, sold separately)