PowerClix, the 3D Building System from Guidecraft, lets you explore and build endless models with the easy click ?n connect system. Super-strong magnetic force creates a quick connect for fast, simple and powerful 3D modeling. Build bridges, skyscrapers, animals and more. Colorful translucent plastics and unique geometric shapes and extender rods allow for open-ended, creativity-inspiring constructions. The PowerClix Activity Guide gives young builders step-by-step instructions on how to create a variety of models while teaching them the basics of science, construction and engineering. Ages 5 .