Constructor GraviTrax: Extension Trampoline

GraviTrax - the power of gravity! Extension Trampoline pack includes: 2x Trampolines/ 2x Angled Bases.

GraviTrax allows you to design and build your own marble runs and experiment with gravity / magnetism and kinetics to propel your marble to the finish. With a variety of tiles levels,tracks and elements you can control the speed of the marble.