SIMPLE DESIGN – FUELS CREATIVITY: One shape, endless possibilities! Plus-Plus has a unique design in one shape and 2 sizes that can interlock with other Plus-Plusses that are identical to it. From a single repeated element you can create anything that you can think of, both in 2D and in 3D. It is a perfect educational toy that stimulates fine motor skills, creativity, focus and patience! Create colorful flat mosaics or work in 3-D to make more intricate builds. Mix and match any Plus-Plus set to bring more ideas to life!