Get in the groove for hours of creative fun with Groovy Blocks from MindWare! This set includes, 70 grooved blocks in five different shapes ready to connect in any way from top-to-bottom and side-to-side; 100 color-coded links engineered to slide securely into the block grooves. It also includes an instruction booklet with colorful photos, examples to follow and building tips for making creations of your own.