Ravensburger GraviTrax PRO Vertical Starter Set - 153 pc Marble Run and STEM Toy Age_7-9 or turn your room into

or turn your room into a planetarium--all in the name of making learning fun

wear one or stack for tons of fun

and then place the remaining pieces to solve the puzzle

They won't hurt if you miss like most beaded or plastic ropes can

Each terrain hex is marked with a die roll number

Ravensburger GraviTrax PRO Vertical Starter Set - 153 pc Marble Run and STEM Toy Age_7-9 or turn your room intoGRAVITRAX: The popular STEM toy for boys and girls ages 8 and up over 6 million sold worldwide WHAT YOU GET: GraviTrax PRO Vertical Starter Set comes with 153 pieces everything you need to start building faster, higher, more action packed marble runs. BUILD HIGHER: Use the height tile towers, balconies, walls and high speed tracks to take your tracks to new heights INNOVATIVE: The GraviTrax interactive track system allows you to design and build your