Contraptions 50 pc STEM Obstacle Building Game Wood Plank Set Mindware Keva

Contraptions 50 STEM Engineering Fun Game - Smart Toy Obstacle Building Block Wood Plank Set No Glue - Just Stacking and Leveraging 50 pine planks - 2 Keva balls included 6 ideas for builds to get you started - from Simple Slopes to Wild Runs 7+ Years Brand: Mindware KEVA (Knowledge - Exploration - Visual - Arts)