Plus-Plus is one shape with endless possibilities! Plus-Plus Puzzle By Number combines the artistry of a paint by number with the satisfaction of a puzzle into a unique creative experience. Using the enclosed pattern, fill in the design by matching each number with the corresponding color. When you are done, display it on a table or hang it up as room decor - no glue or ironing required! This 500-piece Rainbow set comes with 500 color mix pieces in 10 colors (black, white, basic gray, basic yellow, basic purple, pastel blue, turquoise, coral, apple green, and lilac).