Every set is a combo of hollow cubes and smooth-as-glass tracks. The paths carved in the tracks, though nearly unnoticeable, form a gradual incline that push marbles onward. Official STEAM Stamp of Approval from the Toy Association Unique marble run with marbles propelled by widening tracks Encourages spatial reasoning, creativity, engineering skills, problem-solving Tracks suspended by hollow stacking cubes Builder and Deluxe sets - features base grid for added stability Follow guided builds or invent your own structures! Deluxe set includes 2 catchers, 2 toppers, 90 risers, 10 stainless steel marbles, 18 unique tracks, 2 base grids All sets are fully compatible with each other - Collect them all! High-quality materials and construction - Lasting durability About the company: Beginning with a single online store focused exclusively on magnetic toys, Fat Brain Toys company now boasts over 7,500 in stock toys, games, and gifts. Their mission is to enrich families and provide "A Smarter Way to Play" by inspiring creativity and sparking curiosity. They design and curate world-class toys and games, while providing an extraordinary customer experience.
