This set of 500 plastic cubes in 10 colors connect on all six sides. Easy for little hands to connect and twist apart. Can be used in place of any .75" cube, and fit in Unifix apparatus and materials. Each set includes a Teacher's Guide.

Key Features :

i : Great for counting to 100 by ones and tens, grouping, and one-to-one correspondence
ii : Cubes link together on all sides of each cube with circle shape cutouts
iii : Can fit in Unifix apparatus and materials