Plus, the place preview feature shows which slot you are hovering over so you can make sure it fits! For a more traditional puzzle experience, turn on the background pattern and turn off piece outlines. Select 24 pieces for a real challenge! Kids and adults of all ages will love this massive collection of polar bear jigsaw puzzles. • Amazing photography of polar bears in their native environment! • Number of pieces range from 4 to 24 pieces for any puzzle • Customize background and piece outline hints • Place preview lets you see which slot you're over • Friendly and positive encouragement