IQ Knock Knock Blocks

Build, explore, and discover! IQ BabyÌ_åÇí«̴Ìâ Knock-Knock Blocks are 3-in. fabric covered foam blocks that are easy to stack, with lots of windows and doors that are fun to explore, and with crinkle and squeak sounds that are fascinating to discover. 4 black and white triangles and 8 colorful cubes are very smart blocks indeed! Ages 0-2