Enjoy the challenge of these 8 classic brainteasers. Each brainteaser comes with its own How-To-Play Card, and three Hint Cards. Use the hints if you need or solve them on your own. Included are history cards for each classic puzzle. Play with friends for even more fun. These brainteasers all encourage spacial thinking and the rewards of patience. Age 8 and up TEMPORARILY OUT OF STOCK D4011$22.00 Credit Cards Accepted: Discover Card, MasterCard, Visa. Lawrence Hall of Science Members receive a 10% discount on all purchases. Your purchases help to support the educational mission of the Lawrence Hall of Science. © 2006 Regents of the University of California