Calculating, crafting, labeling...
The dots and numbers are imprinted in the same colour if they show the same amount. This will help you to understand the set of numbers and their writing. You could e.g. stamp the faces of two different wall clocks. When calculating, simply count the dots.
content:
- 9 wooden dot-stamps, 10 wooden number-stamps (0-9) and 5 wooden arithmetic operator-stamps
size:
- approx. 4 x 3 x 3 cm
material:
- pine, rubber