Ravensburger GraviTrax: Spiral Accessory| 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 marbles on a dizzying journey to a whole new level of fun with the “GraviTrax Spiral”!

Put a spin on your amazing marble run with the “GraviTrax Spiral”! With different height options, you can connect and stack multiple curved pieces to configure the “Spiral” to take your marbles round and round from one level to another. GraviTrax is designed with open play in mind, so it’s a snap to combine this accessory with any “Starter-Set”. Add a tower of dizzying action to your marble run and spiral up 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 2 snap-together Spiral towers (parts may be combined to make a taller tower) 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!