Requires the GraviTrax Starter Set (sold separately).
Turn the marble upside down with the Loop accessory! Experiment with how much speed the marble needs to loop-the-loop. This accessory also includes 6 additional tracks.
Product name: Ravensburger GraviTrax Looping Expansion
Brand: Ravensburger
Manufacturer number: 27599
Mastermind number: 213573
Shipping weight (lbs): 0.35
Package dimensions (inches): 7.5 x 7.5 x 2
Country of Origin: Czech Republic