Think Fun Houdini Brainteaser Game The world's first 40-challenge escape puzzle In each disentanglement puzzle, secure Houdini with ropes, lock and rings and set him free without undoing the clasps Leveled challenges make it a perfect brainteaser for both beginners and serious puzzlers Includes a travel bag for easy storage and take on the go Ages 8 to adult For people of all ages who want to challenge their mind and sharpen their skills, ThinkFun is the worlds leader in addictively fun games that build reasoning and creative thinking skills through play.