IO Blocks® Building Toy 76 Piece Set Planes The 4 x 4 requires

The 4 x 4 requires different moves to solve it than the original 3 x 3 cube

Kids can push the "chaos" button in the hood and the spring-loaded stretcher shoots out of the back of the Slambulance

fun textures and different ways to make unique art will keep your little ones engaged

both the jigsaw puzzle pieces and the box are finished with a linen wrap bringing out the best texture for the most endearing images

Explore the LEGO® DUPLO® brand Disney Sofia the First™ Royal Castle with Sofia

IO Blocks® Building Toy 76 Piece Set Planes The 4 x 4 requiresNew, open ended interlocking construction toy with digital world appeal. Works with all other IO Blocks building toy sets Innovative, augmented reality IO Blocks App acts as a virtual build guide. Download free for smartphone or tablet. Use with tracker pad, included Colorful, geometric and curved, soft touch plastic pieces that easily interlock with secure, friction fit system Educational focus: STEM, fine motor and problem solving skills, and