i-CHONY 3D Wooden Puzzle - DIY Mechanical Steam Train Model Kits - Wood Crafts Vehicle Building Model - Wooden STEM Brain Teaser Puzzle - Steam Train Birthday Gifts for mature-themeds Teens Boys Girls

i-CHONY - 3D Wooden Steam Train Puzzle - DIY Mechanical Steam Train Model Kits Package includes: 1-pack steam train models kits Birthday gift christmas gift new year gifts for mature-themeds teens boys girls. Best Gift: 3D puzzles can improve your manual skills Nurture a sense of accomplishment and self-confidence in your child; Enjoy the great parent-child interaction game. Designs are precisely pre-cut. Carefully break-out the individual pre-cut parts out of the wooden board and easily assemble by following step by step instructions. NOTE: Do not disassemble all the puzzle parts at once. Please follow the instructions to assemble them step by step. CHOKING HAZARD -- Small parts.Children under 12 need mature-themed protection. Keep the puzzles dry-do not expose to the sun-do not soak; otherwise it will be seriously deformed.