You have nine oddly shaped pieces and a picture of a heart. Or maybe you’re looking at a pile of polygons and wondering how in the world you’ll make them into an star. Give your head a scratch and then get rearranging, because you’ve got a tangram to solve. These brainteasing puzzles may seem simple when you first see the symbol your tasked to recreate, but they’re designed to test logic and give spatial reasoning skills a workout. Since the 12 puzzles to collect range in difficulty from a simple square to that tricky star we mentioned, the set offers hours of mind-boggling fun and a dozen opportunities for victory dances when you finally nail ’em.