Ravensburger GraviTrax: Color Swap | EncourAgess Experimentation and Creativity | Compatible with All GraviTrax Systems | Gift for Kids Agess 8+

Abracadabra, presto, chango — your marble run just added some colorful, magical fun with the “GraviTrax Color Swap” accessory!Bring a new element of surprise into your GraviTrax marble run! As if by magic, the marble changes color as it passes “through” the “Color Swap”. Simply hide a marble within the tunnel — the momentum from the incoming marble propels the hidden marble out the other side with the illusion the marble changed colors! It’s a snap to combine “Color Swap” with any “GraviTrax Starter-Set” to 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 design and build their own marble runs! GraviTrax construction sets use STEM-friendly concepts while building critical thinking and problem-solving skills. Completely open-ended, every GraviTrax set has a boredom-busting variety of play options for hours of fascinating fun. Once the basics are mastered, simply add expansion sets and accessories to propel those metal marbles around the tricked-out track of your dreams!Comes complete with instructions, 3 Color Swaps and 3 marbles (red, blue, green).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: Color Swap] Abracadabra, presto, chango — your marble run just added some colorful, magical fun with the “GraviTrax Color Swap” accessory!
• [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.