Build your own creative gravity play with the Trix Track Flipping Bridge Ball Run Track Set by Wonderworld! It's a wooden ball run track set with lots of fun tricks, including a tipping bucket and a flipping bridge! Place the ball on the top and watch how the bridge drops to deliver the ball down the track to the finish line! With 39 pieces made from eco friendly materials, it's easy to build and can be connected to other Trix Track playsets for endless possibilities!