PowerClix® Frames have colorful, translucent plastics and geometric shapes that allow for open-ended, creativity-inspiring 2D and 3D constructions. In keeping with STEM toy attributes, PowerClix® magnetic building toys encourage children to think like engineers while having fun. Boys and girls may build unlimited 3D forms by visualizing the underlying design structure of an object, then creating a wireframe model of it using magnetic frames of geometric shapes. Frames are designed to integrate flawlessly with all PowerClix® system sets. Ages 4+