Ravensburger GraviTrax PRO Vertical Starter Set - 153 pc Marble Run and STEM Toy Age_5-6 No Stress Chess set is

No Stress Chess set is a whole new way to play the game

Fully enclosed quad rotors keep it safe from fingers

Completed answer keys

Solve your puzzle with the Golden Star complete and score a double win

timed mode or advanced mode

Ravensburger GraviTrax PRO Vertical Starter Set - 153 pc Marble Run and STEM Toy Age_5-6 No Stress Chess set isGRAVITRAX: 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