Brain Twister Puzzle Game

Give your brain a workout! These brain twisting puzzles may seem simple at first but they're designed to challenge any curious mind. Use the four puzzle pieces to form any one of the 40 designs found inside. A ball chain is included to keep the four puzzle pieces together when not in use. Item dimension: 3.5 x 2.5 x 0.5 inches Manufactured by Eureka Toys & Games