New, 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 App for your smartphone or tablet to use with the enclosed tracker pad 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 spatial concepts 2016 Toy of The Year Finalist in Preschool category, winner of 2015 Tillywig Brain Child Award, 2015 Parents’ Choice Award, 2015 The National Parenting Center’s Seal of Approval