ROKR 3D Wooden Puzzles DIY Clock Model Kits for Adults to Build Birthday Gift Pendulum Clock

Wood 3D Wooden Pendulum Clock Craft KitThis cool Pendulum Clock Model Building Kit is assembled by 170 wooden pieces and need you spend 4-8 to work it out. It does require periodic winding up. Do-it-yourself Clockwork Wooden Puzzle KitThese high quality model kits are self propelled clockwork, no battery needed. Some wax and the tools provided will make them move smoothly. All pieces are pre-cut, easy to pop out, all you needed is time and patience, putting them together one by one following the instruction, you will enjoy every steps of making these amazing puzzles. Recommended Age:14+Although the recommended age to complete alone is 14+, children under 14 have can certainly enjoy the challenge if they are good with hands and brain, of course some may need help from the adults. A great holiday project which will fine motor skills, improve handmade ability. Creative Activity for Brain and MemoryThese 3D wooden Mechanical Clockwork Puzzles require minimum of 4 hours of DIY full of fun. The puzzle activities have been scientifically proven to improve memory, relieving stress, improve visual-spatial reasoning skills and increase IQ. Perfect Gifts for Puzzle LoversExcellent gift for puzzle lovers to enjoy wonderful puzzle solving experience and creative design. Package includes everything you need to make this amazing model.