"The brightly colored plastic wedge-edged open squares of Wedgits nest, stack and balance in such surprising and satisfying ways, who wouldn't want more of this open-ended manipulative masterpiece? As your children explore ways of building and balancing structures or stacking and nesting with these five geometric shapes they will be amazed with how the plastic molded pieces fit perfectly together without interlocking. They will find that it's possible to make the blocks "wedge"...