The perfectly nesting design of WEDGiTS Deluxe Set building blocks assures that there is no wrong way to build. This open-ended building set introduces the spatial world of angles, color matching and creative free-play designing. The Starter set has large blocks providing fun for the family with toddlers. The easy to grasp form of the WEDGiTS blocks are built out of geometric shapes that nest, stack and come to life with every colorful design created. Boys have to experiment with different ways to build, balance, stack, or nest them horizontally and vertically.