Get ready to test your brain power with the ThinkFun Fifteen Puzzle Classic Puzzle Game Vintage New In Box! This brain teaser game is perfect for anyone who loves strategy and problem-solving. With a square shape and multi-color design, this game is made of stainless steel and measures 5x5x5 in size. This puzzle game is suitable for ages 8 to adult and will provide endless hours of entertainment. It's a contemporary puzzle that falls under the Brain Teasers & Cube/Twist category and is a must-have for any puzzle enthusiast. The game is brand new in its original packaging and was manufactured in China. Don't miss out on this challenging and fun game!