Plus-Plus is a fun building system where a child can be creative and strengthen motor skills with shape, color and form. What a plus! 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 Midi Set contains white, yellow, pink, green, purple and blue pieces in pastel shades. Safe for ages 3 and up, and endless fun for a broad range of ages. Designed and Manufactured in Denmark.