NATIONAL GEOGRAPHIC RTMR100 Blue Marble National Geographic Motorized Marble Run -100 pcs set w/Elavator!

Race marbles down an awesome marble maze with this marble run kit!

Kids will get 66 sturdy, tight-fit construction pieces which make it possible to build an endless variety of marble runs along with 20 marbles. There is also a 14-piece motorized spiral elevator that lifts marbles back to the start, over 1.5 feet from the finish line! Instructions provide tips on how to build a successful run, allowing kids to create the most exciting marble maze they can imagine. Kids will also learn about the scientific principles that make a marble run work in the fascinating learning guide.

Kids will have hours of fun with the 100-piece Motorized Marble Run!

• STURDY TIGHT-FIT PIECES – This construction kit is designed to fit together snuggly, so the marble maze won’t fall apart while playing. With exciting action pieces and clear smooth-run tube pieces, and base pieces, the kit has countless imaginative configurations
• INCLUDES EVERYTHING YOU NEED! – The marble run kit includes everything allowing the kids to build and re-build multiple marble runs as they play. Endless engineering configurations to explore the gravity and motion.
• GREAT STEM TOY – The learning guide inside teaches about the physics of motion and gravity. It also includes marble run construction experiments
• SATISFACTION GUARANTEED – The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun!