Ravensburger GraviTrax Flextube Expansion Set all-ages With rounded edges for easy

With rounded edges for easy grip

This second-generation Silverlit drone

promotes roleplaying and creative storytelling

pink Barbie graphics

Ravensburger GraviTrax Flextube Expansion Set all-ages With rounded edges for easyYour marble run system gains creative variety and fluid mobility with the Ravensburger GraviTrax Flextube Expansion building kit. These twistable tunnels, which are compatible with the original GraviTrax or GraviTrax PRO starting kits, enable marbles to move up or down at nearly any angle. The cutting edge Flextubes bend in the middle, providing builders with more control and countless options for track construction. This STEM focused add on is ideal