Ravensburger GraviTrax PRO Vertical Starter Set - 153 pc Marble Run and STEM Toy Age_5-6 And when you press it

And when you press it together

Fully enclosed quad rotors keep it safe from fingers

Made in the USA from nontoxic silicone and never dries out

The app lets you download various settings and worlds - hunt ducks in a pond and get points for getting as many as you can

Ravensburger GraviTrax PRO Vertical Starter Set - 153 pc Marble Run and STEM Toy Age_5-6 And when you press itGRAVITRAX: 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