Metal Brain Teaser puzzles from Bits and Pieces come in a wide array of styles, but they all are sure to push you to your puzzle solving limits. Styles and sizes vary. Solutions included with each. Steel Puzzles for Adults: You may nearly explode with frustration as you try to free the spiked torpedo from its cage. It can be done through clever manipulation, but the wrong moves may sink your chances. Brain Puzzles for Adults: This engaging brain teaser for adults has been crafted from premium quality aluminum and brass for an optimal experience and longevity. It’s extremely compact so you can easily carry it anywhere at any time. Puzzle Accessories: Give your eyes a break from all the screen time and engage in a more wholesome and tactile gaming experience. We have also included a solution guide as a safety net with this steel puzzle for adults. Package Details: Generate curiosity and awe among friends and groups with our one-of-a-kind metal brain puzzles. This brain teaser for adults is a perfect birthday/anniversary/Christmas gift and measures 3" tall Metal Brain Teaser puzzles from Bits and Pieces come in a wide array of styles, but they all are sure to push you to your puzzle solving limits. Styles and sizes vary. Solutions included with each.