These I Spy 100 piece jigsaw puzzles features the unique and creative imagery from the best selling I Spy books, as well as activity cards, which challenge players to find the hidden images and add another dimension of a game to an already fantastic puzzle experience. Build the 100-piece puzzle based on an image from the beloved book. Pieces are sequentially numbered on the back from 1 to 100 to help younger players. Shuffle the 24 activity cards and place them face down. Players turn over the top card to reveal the object(s) to be found in the puzzle. Players keep the card if they are the first player to locate the object on the card. The first player to collect five activity cards wins. 3 variations available: Treasure Hunt, Mystery, Fantasy