The coloured numbers always consist as a puzzle of the number of pieces corresponding to its amount. The number three for example consits of three pieces. They fit in the appropriate insert boards.
The 0 is fixed because it consits of 0 pieces.
The numbers puzzle promotes preliminary mathematical skills, such as
- experiencing numbers in form and position in space,
- assigning, forming series,
- recognizing and forming amounts.
So the pieces will gradually become numbers. The material has a high simultative nature and can be used, according to age and prior knowledge, with various levels of difficulty.