About S.T.E.M Building Toys For 3-5 Year Olds Explore the science and art of light, physics, and geometry with our nesting Rainbow Pyramid. S.T.E.M toys help to develop cognitive thinking that includes problem solving skills. This set of building blocks can be stacked in a variety of way by rotating and nesting the pieces - the possibilities are limited only by the imagination. Every block is a solid piece, which means there are no glue, screws or fixtures, so they are very strong and safe for little hands. Made from high quality and durable ABS, our Rainbow Pyramid is scratch-resistant and waterproof. Light Table Accessories For Preschool Activities 30 pieces of translucent toys that make perfect light table blocks. The Rainbow Pyramid makes great light table toys in combination with the Carry-Play™ White Table Tops, all you need are LED lights placed under the table tops. It looks equally stunning under direct sunlight. Use the pieces to create delightful rainbow reflections, or for tracing activities and sensory play.
