Brand New Learning Resources Snap Cubes, 100 Piece Set. 

LER 7584.

• This set of 100 plastic cubes in 10 colors.  Connects 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.
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• Be Creative: Children can tackle more than a dozen building challenges to build their own puppy pal, create a vroom-ready motorcycle, or transform cubes into a whooshing rocket ship, or make their own creations. While they build, children will also master early critical thinking and design concepts as well as strengthen their fine-motor skills. Each sturdy cube can be snapped together or apart over and over again. Building set is designed for children ages 5 and above.