Ravensburger - GraviTrax - Building Expansion Set - Hub Hobby

This kit lets you extend your run by combining additional base plates and other construction elements with your GraviTrax starter-set.

Ravensburger - GraviTrax - Trampoline Expansion Set - Hub Hobby

GraviTrax: Building Expansion

GraviTrax: Tunnels Expansion GraviTrax Expansion Sets

Ravensburger - GraviTrax - Spiral Expansion Set - Hub Hobby

Take your marble run to the edge with the “GraviTrax PRO Extreme Starter-Set”! Test your creative limits and the laws of physics with the “GraviTrax PRO Extreme Starter-Set”! Vertical components and four action accessories from the PRO series (Splitter, Mixer, Turntable, Helix) combine to create more challenges, more possibilities, and more extreme fun! Set up’s a snap as children explore STEM concepts while engaging in independent, creative play.

Ravensburger GraviTrax Pro: Extreme Set

Ravensburger Gravitrax Starter Set Marble Run & Stem Toy

This kit lets you extend your run by combining additional base plates and other construction elements with your GraviTrax starter-set.

Ravensburger GraviTrax - Building Expansion Set

GraviTrax: Building Expansion

Ravensburger GraviTrax PRO Vertical Expansion Set

Bridge track sections! Bypass large gaps with Bridges. Combine the Bridges with your GraviTrax Starter-Set for even more variety.

Ravensburger - GraviTrax - Bridges Expansion Set

The GraviTrax Starter-Set SPEED includes 185 pieces (7 accessories) to start building your own unique designs, promising endless construction

Ravensburger GraviTrax - Speed Set

Propel the action! The Transfer takes your marbles over a breath-taking gap for a spectacular eye-catcher!

Ravensburger GraviTrax - Transfer Expansion Set

GraviTrax Flip Expansion

Bridge the gap with the GraviTrax Bridges Expansion set and keep your marble run rolling! Bridge track sections! Bypass large gaps with Bridges. Combine the Bridges with your GraviTrax Starter-Set for even more variety by interlinking track sections for really spectacular results.