Open the door to a world of new possibilities. Add doors and windows, free spinning objects, wings or trapdoors. The spin hinge can rotate through a full 360 degrees, allowing for near-infinite ranges of motion. By adding turning and spinning elements and unique cardboard angles, the Spin-Hinge will bring a new level of movement to your creations. Designed to hold the weight of your largest constructions, the Spin-Hinge will level up your most ambitious ideas!