Experiment, innovate and create with precision engineered KEVA planks and variety of doodads. Customize a mororized bot using crafty items in this one-of-a-kind kit. Then construct your maze’s tunnels, doorways, passages, and obstacles. The ultimate engineering tool! Includes 30 KEVA Planks, 8 half planks, 25 connectors, 2 motorized bots, 6 tumble blocks, 3 bumper balls, and a wide variety of craft materials. Ages 7 and up.