ROKR 3D Wooden Mechanical Pendulum Clock Puzzle,Mechanical Gears Toy Building Set,Family Wooden Craft KIT Supplies-Best Birthday Gifts for Kids Adults to Build

Robotime-ROKR mechanical wind-up Pendulum Clock LK501 is a real wooden clock that can actually work! This stylish spring-driven clock 3D wooden puzzle will provide you with an amazing building experience. Assemble all the pieces & mechanisms together and watch how it works. Best mechanical gears 3D wooden puzzle kit for your kids, boyfriend & husband.

• REAL PENDULUM: A gravity-swing pendulum with precise anchor escapement
• 3 HOURS TICKING: It can actually work for around 1-3 hours when finished!
• STYLISH OUTLOOK: Appealing home decor for room or office
• CHALLENGE YOUR MIND: Fun of kits building & brain-teasing of mechanical engineering
• PERFECT GIFT: Gift for mechanical lovers or family & friends at any occasions like birthday, father's day or Christmas.