Kids can connect, test, and adjust the track to bring their own ideas to life through hands-on DIY building play. BUILD YOUR OWN 3D GRAVITY-DEFYING TRACK — Start with a simple loop, then build upward with modular track pieces to create elevated tracks, gravity-defying runs, and creative 3D designs. 3-LEVEL ELEVATOR AND AUTO-SWITCH PLAY — Go beyond ordinary train track play with an interactive elevator and automatic track switching system.