Specification： 4 Magnetic Tangram Puzzles Books Nice Game for Brain Health： Take it if you love logic puzzles and things that work your brain. Some of the puzzles are pretty easy, others are going to take a while to figure out. To keep from electronic devices, this would work for the ones that can keep their focus. Parent-child Interactive Game You can enjoy parent-child interactive games with your toddler. A sensory way to promote children's perception and recognition ability of colors and shapes, boost their visual senses, and cultivate their creativity & cooperation skill. Great Travel Activity： Your kids will love playing with these on a long car trip. The pieces are well made and the magnetic backing holds them well when making shapes. Ideal for travel.