Spinner Books Armchair Puzzlers -- Overstuffed Baffling Armchair PuzzlersWho says sitting down means you"re a slouch? Not University Games. With Armchair Puzzlers, you can give your feet a rest and put your mind to work. Drawing from the most popular books, this Overstuffed collection is loaded with more than 200 fun, challenging and clever puzzles that will keep your brain busy for hours. It includes Brainteasers, Secret Identities, Symbol Simon and Optical Teasers. University Games was founded by Bob Moog and Cris Lehman, who recognized a developing niche in social interaction and learning games for adults and children. University Games creates educational board games designed so that players won"t notice how much they are learning.Product Dimensions: 9 (L) x 9 (W) x 0.5 (H)Age: 3 years and up