Creative Gravity Play! The Trix Track Glow & Roll 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 are endless configuration possibilities! With the Trix Track Glow & Roll you can build a fun ball maze with this multi-piece wooden ball run track. The Trix Track Glow & Roll set includes many eye-catching tricks. Making this set even more exciting.it glows in the dark! Specially designed bricks are made from a combination of eco friendly recycled saw dust and food grade plastic so it is safe, durable and good for the environment. Combine with other Trix Track sets to create even larger tracks, more trix and endless fun!