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Increase the possible combinations and construct even more complex ball track systems. The GraviTrax STEM track system makes experiencing gravity fun! With this set you expand your marble track system by combining the additional components with your GraviTrax starter set. This is so you can build ever bigger marble track worlds. How many detours will your ball manage before it crosses the finish line? Includes: 2x bottom plates, 1x transparent layer, 8x large height blocks, 4x small height blocks, 2x switches, 1x 3-in-1, 1x swivel, 1x target ladder, 4x base blocks & inserts, 2x catchers, 1x free fall, 1x splash, 1x target. Warning: Not suitable for children under 3 years. Small components. Choking hazard. Suitable for 8+ years.
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