These separate elements show very clearly
how they relate to each other how the relati
on is between a unit and a ten...
- each element has a decimal mark.
- the elements are interlocking enabling children
to make tens using cubes, hundreds using tens, ...

Contents:
100 cubes (1 cm3) (units)
10 longs (tens)
10 flats (hundreds)
1 cube (1 dm3) (thousand)
Set in a plastic box with lid