Use this Rubik's 300 Piece Jigsaw Puzzle when you want a fun and challenging activity. It's perfect for brave puzzlers 14 and older. The puzzle pieces are made with patented Sure-Lox technology, ensuring they fit together precisely every time. There are 200- or 300-piece sets available, each with digitally pixilated images created on an app that replicates mosaics made from stacked Rubik's Cubes. The trademarked, square die-cut pieces add a unique touch.