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construction plan booklet
make a fluorescent solution
Turning mixing barrel
Instructions flyer
Gravitrax Starter Set thames-kosmos construction plan bookletExperience the Power of Gravity with GraviTrax! With over 100 pieces and 18 different construction elements, the GraviTrax Starter Set offers everything you need to begin building your own action packed track systems. Discover how the laws of physics affect the journey your marble takes with curves, junctions, freefalls and even a cannon. Experiment using different heights and angles to control the speed of the marble to get it to the finish. Ages 8
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