This DIY 3D corn jigsaw puzzle doubles as a keychain, offering a creative building activity for children aged 6 to 12. Each box contains 300 pieces, packaged in individual OPP bags for easy distribution. The puzzle is designed to be assembled into a three-dimensional corn shape, which can then be attached to a keychain for display or carry. It provides an engaging hands-on project that encourages problem-solving and fine motor skills. Sold wholesale by the box.