<b>Detailed information:</b><br> ● Package size: 357*235*46 mm <br> ● Assembled size: 234*117*346 mm<br> ● Wood pieces: 170 pcs<br> ● Material：Plywood、Spring、Axle<br> ● Original design, First-class technology<br> ● Great for DIY lovers<br> ● Excellent decoration <br> ● Perfect gift for boys,adults,boyfriend,and dad<br> For optimal use,you should reed the instructions carefully, After several hours of assembly,you will get a 3D Wooden puzzles clock Mechanical Model, Glue is not needed.<br><br> <b>Warning:</b><br> The product is only for people who ages over 14. Children must assemble under the guidance of adults<br>Use the wax inside to reduce the friction between wood board properly, the clock will run for 1-3 hours.<br><br> <b>Notes:</b><br> ● Stow the small parts carefully after removing them from the board in case of missing<br> ● Remove and assemble the parts with care<br> ● Polish the blurrs of the parts with sandpaper if needed<br> ● Keep the manual well for future reference<br><br> <b>Matainence:</b><br> ● Keep the product away from the source of ignition and don't put it in humid place in case of the damage<br> ● Use clean and soft fabric rather than chemical reagents like alcoholic, ammonia water, or window cleanser to clean the product<br><br> <b>About us:</b><br> ● Excellent design and R & D team<br> ● High quality technology<br> ● Intimate customer service<br> ● Certificates (FSC, BSCI, FAMA Disney, EN71-2-3, EMC, ASTM-F963, EN62115)<br> If you have any questions, please contact us timely and we will give you a satisfied solution. If you receive a wrong item, please ASK customer service for exchange or return.