Plus-Plus is a new kind of construction toy. Its one simple shape produces endless possibilities - assemble them flat to create a 2-D mosaic or work in 3-D to make more complicated structures. Even curves are possible thanks to the unique design of this deceptively simple shape.This amazing 3600 piece basic pack comes with a mix of all Basic, Neon, Pastel colors, and 6 green Baseplates, 3 blue Baseplastes, and 3 gray Baseplates packaged in a durable, reclosable tub.