Wooden Marble Run 3D Puzzle - Wood Crafts Mechanical Marble Run Assembly Building Model Kits - Wooden Puzzle DIY Brain Teaser Puzzles - Christmas Birthday Gifts for Adults & Teens Boys Girls

i-CHONY - 3D Wooden Marble Run Puzzle - Wood Mechanical Marble Run Toys Birthday gift,christmas gift,new year gift for adults teens boys girls age 12 13 14 15 16 + year old. Best Gift: Wooden puzzle fan gifts,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,no glue or tools needed,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 8 need adult protection. Keep the puzzles dry-do not expose to the sun-do not soak; otherwise it will be seriously deformed.