Mechanics Magnetic Gears 160 Pcs Recycled Big & Tall Shirts which prevent them from slipping Color:Desert Sand which prevent them from slipping and protect the floorThree "hilltops" in different heights will inspire children to jump from top to topHilltops develop children's ability to estimate distances and make them familiar with heights: (1) 14 UPC: 710858007655 Magnetic construction platform that combines magnetism with mechanical constructionMade with 80% Recycled PlasticBuild chain reaction movement and rotation by using magnetic attraction and repulsionDesigned to help stimulate children's creativity by allowing for expanded play possibilitiesPromotes hands on learning and offers a creative approach to problem solvingSTEM Structures rotate by triggering chain reactions using magnetic attraction and repulsion