Ravensburger Gravitrax Chip Tube Accessories - Marble Run & STEM Toy for Boys & Girls Ages 8+ - 2019 Toy of the Year Finalist Gravitrax Accessories

[GraviTrax: Tip Tube] Capture marbles and watch them launch into a race with the [GraviTrax Tip Tube]. [Innovative] The GraviTrax interactive track system lets you design and build your own race track and experiment with gravity, magnetism, and kinetics. [STEM TOY] Boys and girls ages 8 and up can experience educational and scientific play. According to the NPD Group, the franchise has sold over 15.5 million units worldwide and is ranked as the #1 marble run system in the United States. [Compatible] Easily extend playtime - every set is compatible and functional with all GraviTrax systems. [Great Gift] GraviTrax is the ideal holiday or birthday gift for creative and inquisitive kids and adults.