Linkable Abacus
Contents:
139 pcs, per set including:
- 5 bases
- 5 rods
- 75 cubes
- 54 colours cards
Each set is packed in a plastic bin with lock.
The bases are connected each other so we have the ability buy two items and to create up to thousands (million, hundreds of million, etc..).
Dimensions: 280 x 170 x 105 mm