17 number building blocks make quantities visible. Stack the one, the two and the four on top of each other, and you get seven — the height shows you the size of the sum. Addition and subtraction become understandable through building.
At a glance
- 17 blocks: numbers 1–10 in 4 colours
- Multiple quantities: the 1 appears five times, the 2–4 appear twice each
- Quantities visible: stacking height equals the sum
- Teaches addition and subtraction: hands-on learning
- Robustly made: plastic for nursery everyday use
- From age 3: for pre-school and nursery
How children play with these</h3
Children stack the two on the three and see a tower that’s as tall as the five. They compare, complete, swap and discover that maths is spatial. The four is twice as tall as the two, the ten towers above all the others. From stacking comes an understanding of number values, and the four colours bring the joy of sorting.
Safety & Material
| Material | Plastic |
|---|---|
| Contents | 17 blocks in 4 colours |
| Dimensions of block 10 | 12.5 x 5 x 2.5 cm |
| Recommended age | from age 3 |
Shipped from Germany. Invoice payment available for authorities and public institutions.
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