GraviTrax Starter Set Ravensburger STEM Marble Run Over 100 Pcs Sealed

STEM Learning • Interactive Play — GraviTrax Starter Set, Ravensburger Marble Run System The GraviTrax Starter Set lets kids and adults design their own interactive marble runs while learning real-world concepts like gravity, momentum, and engineering. With over 100 modular components, this expandable system encourages creativity, problem-solving, and hands-on STEM play. Compatible with all GraviTrax expansion sets for endless track-building possibilities. This set is brand new and factory sealed. Box shows minor shelf wear from storage. Please see photos for actual condition.

Condition: New · Seller: fifty4thchief · 99.4% positive · 991 ratings

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