Creative Gravity Play! The Trix Track Wonder Bridge Track is more than a classic wooden ball run with fun and exciting eye-catching tricks and an easy locking system that keeps your creations stable while you build your maze. With your imagination there a 46 piece set ENCOURAGES IMAGINATION & ORIGINALITY PROMOTES INTELLECT & SKILLS PROMOTES SPATIAL PERCEPTION, CREATIVITY AND CONCENTRATION Eco-Friendly: Made in Thailand from environmentally friendly rubberwood & strictly using Non-Toxic Paints, Dyes & Lacquers & Formaldehyde Free Glue