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! A whole new range of motion. Contents: 6x Spin-Hinge Note: This is not a stand-alone kit. To be used with SCRU and SCRU+ and the MINI-TOOL or SCRU-DRIVER.