Ravensburger GraviTrax Starter Set PRO 23 and Vertical Expansion Set - Marble Run STEM Toys for Kids Age 8 Years Up

The Ravensburger GraviTrax Starter Set PRO and Vertical Expansion Set combine to take marble run building and STEM learning to new heights. The Starter Set provides the core pieces for constructing a kinetic marble track that demonstrates principles of gravity, magnetism, and motion. With multiple build options, it allows kids to create towering, suspended, or zigzagging paths. Meanwhile, the 33-piece Expansion Set integrates seamlessly to add verticality. Together, these sets encourage endless experimentation as young engineers invent new marble run configurations, observe cause-and-effect, and are challenged to incorporate more physics concepts into their designs. Recognized as the #1 marble run system in the U.S. with over 15.5 million units sold globally, GraviTrax has a proven track record of fostering curiosity, creativity, critical thinking, and confidence in kids ages 8+. Whether gifting GraviTrax to a child or buying it for your own constructive entertainment, this bundle has all the pieces needed to build epic, ever-changing marble runs that educationally entertain.

• Gravitrax
• ELEVATE YOUR MARBLE RUN: Turn your marble maze into a towering masterpiece with the GraviTrax PRO Vertical Expansion set, comprising 33 unique pieces to expand your track's possibilities
• INVENTIVE AND INFORMATIVE: This track system encourages kids to experiment with gravity, magnetism, and kinetics, fostering their interest in science while having fun