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 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 Set includes 20 double-sided Creativity Cards and big plastic bin 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