Building Toys that Teach: Building games like Colossal Elevator Marble Run introduce kids to physics and let them exercise 3-dimensional thinking and creative problem-solving skills Unique Marble Track: Build awe-inspiring marble runs with this colossal set, featuring exclusive trick pieces like the Super Rail Vortex, Cross Rail Spiral and Roller Rail Spiral, plus a motorized elevator Sturdy Storage Bin: Moving and storing this marble run is a breeze; just pack the marble track pieces and accessories in the durable bin, complete with lid and roller wheels No-Hassle Home or Classroom Play: Power up your marble run fun with pieces that go together and pull apart with ease, helping you easily create a track that twists, turns, races and spins marbles at incredible speeds This marble run building game includes 150 Tubes; 9 Funnels; 50 Marbles; marble elevator and battery pack (assembly required); 3 spinner slides; 4 S-tracks, 3 curved tracks, 6 rail tracks, 7 straight tracks; 2 trickle chutes; merry-go-round; roller rail spiral; double entrance chute funnel; marble launcher; cross rail spiral; super rail vortex; double entrance funnel; 2 swirl slides; 3 small marble catchers, 1 large marble catcher; 4 bases; 19" L x 14.5" W x 11.5" H rolling storage container Classic Elevator Marble Run fun gets supersized with this 400+ piece colossal set, featuring unique trick pieces not included in any other sets—including a Super Rail Vortex, Cross Rail Spiral and a Roller Rail Spiral. A motorized elevator is ready to carry the 50 included marbles from the base to the top of your build for fun that never ends! The full-color guide book has step-by-step instructions for 4 levels of builds, or put your imagination to work in creating you own unique designs. When the fun is done, pack the components into the included storage bin—complete with lid and roller wheels—to make moving and storing this educational toy easy! Recommended for ages 4 and up.