Capture your marbles and watch them spill back into the race with the “GraviTrax Tip Tube”! Stop, capture, and release! Round up your marbles with the “GraviTrax Tip Tube” and set them free again! Perfect for shaking up a race, the “Tip Tube” collects 3 marbles and automatically restarts them down the track at the same time. Since all sets are open-ended, it’s a snap to combine accessories with any “GraviTrax Starter-Set” to create unique action in your marble run. How will the “Tip Tube” affect the outcome of your race? 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! Electronic-free, 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 1 Tip Tube tile, 1 long track, 2 medium tracks, 3 short tracks and instructions.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!