Welcome to Monkey Blocks, the gravity-defying stacking toy that's more fun than a barrel of monkeys. The secret behind this fun construction toy is hidden weights. Orange blocks are weighted on one end, green blocks are weighted in the middle, and gray blocks contain no weights at all. Children and grownups alike will have fun figuring out how to stack the blocks in ways that appear to be impossible. Amaze your family and friends! The idea booklet illustrates over 30 amazing constructions to balance and build. So what are you waiting for? Grab your blocks, your monkeys and your friend, and start stacking.Contents include: 12 Monkey Blocks, 6 Monkeys, Idea BookletFor 1 or more playersAges 3 and upMade in ChinaBrand new condition in original packagingWipe clean with dry or damp clothWarning: Choking Hazard - Contains small parts not suitable for children under 3 years.