Kumon Publishing 100 Kumi Kumi Slope Building Educational Ages 3 and KUMON Blocks, Toy, Up,

A huge set with 100 parts for lots of fun! Combine parts freely to create a fun and large course The 100 parts are the best parts of the KumiKumi Slope Glows in the dark! Includes glow-in-the-dark parts and glow-in-the-dark balls Comes with a base for stable course construction