Get the ball rolling with an engaging, action-packed STEM toy that brings on the twists and turns of a roller coaster with engineering imagination! Boys and girls can create customize tracks by con ... necting gears, tunnels and more to send marbles down the course! Using the conveyor belt and gravity, you can create a physics project that makes the marbles go around and around! Hands-on interaction provides a fun and educational experience so children can learn the fundamentals of engineering, physics, design and more! Discovery™ #Mindblown Marble Run takes engineering and science in a fun new direction. ✔321 Piece marble run set ✔10 marbles ✔ BUILD EXCITING MARBLE RACETRACKS: The Discovery™ #Mindblown Marble Run is a refreshing take on kids’ building block and engineering sets. Children can build the track by following the steps in the instruction manual, or they can get creative and make their own track. Using the conveyor belt and gravity, they get to create a physics project that makes the marbles go around and around! ✔ DOZENS OF PIECES TO CREATE YOUR OWN DESIGNS: With a wide assortment of rods, platforms, gears, tracks, and more, children will be able to explore the fundamentals of engineering, creativity, and physics. The variety of pieces lets kids explore their own designs. ✔ DISPLAY, PLAY, AND REBUILD: Once you’re done building, display your creation proudly and race marbles down the track! When your first design gets old, take apart your creation and build something new: the possibilities are endless. ✔ INTERACTIVE STEM EDUCATION: Hands-on interaction provides a fun and educational experience so children can learn the fundamentals of engineering, physics, design, and more! ✔ PLAY & LEARN: At the intersection of inspiration, curiosity, & STEM-based edutainment, our toys help spark the imagination & promote the development of science, technology, engineering & math skills. No Batteries Required.