The groovie blocks are anything but far out, they are used to help teach children sorting, ordering, opposites, and patterns. The set is made from sustainable Michigan basswood contains 28 grooved blocks with debossed numbers, math symbols (add, subtract, multiply, divide, equals, does not equal), geometric shapes corresponding to the number on the opposite side, and an activity booklet. It was named one of Readers Digest Magazine’s Best 25 Toys

-28 blocks with debossed numerals and math symbols on on side and geometric shape sets that correspond to the number on the opposite side -1.75" cubes (44mm) -made from basswood and non-toxic, -child safe inks -age: 4+ -made in Michigan, USA

Retails for over $80

Great gift or present for geeks, teachers, kids, children and nerds!