Ravensburger GraviTrax Extension Twirl - accessories for the marble run system. Can be combined with all product lines, starter sets, extensions and elements, construction toy for ages 8 and up 22435

TWIRL: A complete expansion set that brings together many building elements and action blocks to enliven your GraviTrax courses. Add style and effect to your designs and build spectacular ball circuits thanks to tunnels, FlexTubes and spirals. Includes: 3 balls. Compatible with all GraviTrax products and infinitely adaptable. This expansion set is played with at least one starter set (essential to get started) and then combined with all GraviTrax elements. Discover a wide range of expansion sets and action blocks to enrich your circuits and imagine an unlimited number of different courses. Includes: 4 Bend Tunnels, 2 Straight Tunnels, 2 Switch Tunnels, 2 Down Tunnels, 4 Flex Tubes, 2 Spirals, 2 Switches, 4 Insert Blocks, 1 Free Fall, 1 Splash, 1 Catcher, 1 Finish, 1 3-in-1 Block, 1 Tourbillon, 3 Balls, 1 Finish Marker An ideal gift for girls and boys from 8 years old and construction fans of all ages! Made in Europe from high quality materials, GraviTrax elements are long lasting and guarantee hours of building and playing alone or with others. A great birthday or Christmas gift. STEM Educational Game: GraviTrax is a very playful building system that allows children to experience the laws of physics such as gravity, magnetism and kinetic forces. By manipulating the blocks and testing their own assemblies, they develop both their creativity and their understanding of these scientific principles.