Books and Playthings Shop
All babies are math babies.
When your adorable math baby is wearing this hexagon onesie, the two of you will ...
Sixty-four wooden tiles of six different types that combine for endless beautiful creations.
Bright and inviting wooden shape puzzle with nine distinct hexagons—chunky and easy for small hands to work with.
Versatiles tile the plane both periodically and aperiodically. They make multi-armed spirals.