Human Anatomy: 100-Piece Floor Puzzle + FREE Melissa & Doug Scratch Art Mini-Pad Bundle [04459] ONE FREE Melissa & Doug Scratch Art Mini-Pad is bundled with this item. The style of the mini-pad you receive is randomly picked. The Scratch Art Mini-Pad is considered a FREE bundled item. If you return this item, please return it as well. One side of the puzzle illustrates the human skeletal structure and the other the internal organs Double sided 100-piece floor puzzles Develops associating skills Life size puzzle. For age 8+.