Groovies use the latest educational theories for teaching basic math concepts. Designed for many different uses, these blocks help children learn sorting, ordering, opposites, and pattern building. The set contains 32 grooved blocks with debossed numerals and math symbols, plus geometric shape sets that correspond to the number on the opposite side.

One of Readers Digest Magazine's Best 25 Toys - May 2004.

Recommended ages: 2 and up