Robotime mechanical clock with a beautiful owl shape and battery movement. It has a wind-up pendulum with a wind-up timer. When the time is up, the timer bell will ring! A cool project with absorbing building experience, also a beautiful home decor after finished. Best gift kits and hobby for holidays and quality time.*Due to customs policy wax may not be included in packages.BATTERY CLOCK: A real clock driven by accurate quartz battery movement.BELL TIMER: A timer is driven by spring and will ring when time is up (max: 30mins).REAL PENDULUM: A spring-driven pendulum with precise anchor escapement.ELEGANT OUTLOOK: Appealing owl shape and beautiful Roman numerals dial. It will be a delight to the eyes as home decor.PERFECT GIFT: Gift for mechanical lovers or family & friends on any occasion like birthday, father's day or Christmas. The fun of kits building & brain-teasing of mechanical engineering SpecificationAssembled Size: 206x128x265 mmPackaging Size: 345*235*57 mmWeight: 1080gPieces: 161pcsEnergy Source: Battery/WindupDifficulty level: 4Estimated Time: 4 hours.Age Range: > 14 years oldWarning: Small Parts Not for Children under 3 years old.If you assemble the product correctly and use the wax inside to reduce the friction between the wood board properly, the clock will run for 1-3 hours.Warning:The product is only for people ages 14. Children must assemble under the guidance of adultsNotes:Stow the small parts carefully after removing them from the board in case of missingRemove and assemble the parts with carePolish the blurs of the parts with sandpaper if neededKeep the manual well for future referenceMaintainance:Keep the product away from the source of ignition and don’t put it in a humid place in case of the damageUse clean and soft fabric rather than chemical reagents like alcoholic, ammonia water, or window cleaner to clean the product