Try the Great Black Bear If You Dare! Unique, animal head-shaped, 550-piece jigsaw puzzle for ages 10 and up. Poster size! Each puzzle comes with an educational Fun Facts insert. On one side is a fold-out puzzle image to hang as a poster or use as a reference. On the flipside is a wealth of amazing facts. Did you know, for instance, that black bears have the ability to survive without food for up to seven months during hibernation?