Ravensburger GraviTrax: Building Expansion Set Enhance Your Marble Run Experience | STEM Toy for Kids Ages 8 and Up | Compatible with All GraviTrax Systems | Ranked No.1 Marble Run System in The U.S

Take your track to new heights with the “GraviTrax Building Expansion” set!Add some vertical challenge and take your marvelous marble run to new heights with the “GraviTrax Building Expansion” set! With over 25 additional components and endless possibilities to design a different track every time you play, experiment with combinations of height tiles, base plates, freefalls, switches and extra level. A cool addition to any “GraviTrax Starter-Set” — boost your building skills and race your marbles to the finish! Experience the power of gravity and educational fun today!What makes a great toy? GraviTrax checks all the boxes! It’s a creative, modular, expandable track system that challenges children to use their imagination to build their own marble runs! Electronic-free, GraviTrax construction sets use STEM-friendly concepts while building critical thinking and problem-solving skills. Each set is open-ended with boredom-busting play options for hours of fascinating fun. Master the basics then simply add expansion sets and accessories to propel those metal marbles around the tricked-out track of your dreams!Comes with 2 base plates, 1 transparent level, 8 large height tiles, 4 small height tiles, 2 switches, 1 3-in-1 tile, 1 vortex, 1 finish line, 4 basic tiles and inserts (2 catchers, 1 freefall, 1 splash, 1 landing).Lasting durability for girls and boys ages 8 and up, it’s the learning toy children (and savvy adults) return to over and over again!

• [GraviTrax: Building Expansion] Take your track to new heights with the “GraviTrax Building Expansion” set!
• [INNOVATIVE] The GraviTrax interactive track system allows you to design and build your own race tracks and experiment with gravity, magnetism, kinetics.
• [STEM TOY] Boys and girls ages 8 and up can experience educational and science play. The franchise has sold over 15.5 million units worldwide and has ranked as the No.1 marble run system in the U.S., according to the NPD Group.
• [COMPATIBLE] Easily extend play time - All sets are compatible and functional with all GraviTrax systems.
• [GREAT GIFT] GraviTrax is an a ideal holiday and birthday gift for creative, curious kids and adults who love to build.