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

Circles (total 10 pcs) cut into different sectors:

1/1

1/2

1/3

1/4

1/5

1/6

1/8

1/10

1/12

1/20.

Diameter 10 cm.

In plastic+cardboard box.

60 task cards (30 blue = easy game; 30 red = difficult game; mixed = large game).
Playful practice of plus and minus tasks in the number range 1-20.

For 2-4 players.

1 instruction in 4 languages (DE, EN, FR and ES).

Size of a domino card: 10.7 x 4.2 cm.

Made of 100% recycled laminated cardboard.

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

For experiments with magnets. In a plastic cup.

For determining the acidity or alkalinity of various liquids. 100 strips, range 0-14 pH, step 1pH unit

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