UNIQUE MODEL KIT: The kit is a 3D wood puzzle and the final product is a real working clock, pretty cool. Bought to give as a puzzle, and ended up on the shelf for a clock. Win-Win. FUNCTIONAL & STYLISH: Super attractive clock, is a real clock driven by accurate quartz battery movement, the clock keeps accurate time and is silent. Request 1x AA battery. EASY SELF-ASSEMBLY: The instructions are in English with pictures to aid in the construction, everything in the kit is marked and labeled so that assembly is as enjoyable as possible FUN MODEL TO BUILD: Challenging and fun enough for adults or teens but not too complicated, all the pieces fit well and just a bit of critical thinking needed. PERFECT GIFT: Create unforgettable times of working together on projects between you and your kids. A super awesome bond, and great family ties. Wonderful gifts for Adults, Teens, family, friends, or yourself on any occasion like a birthday or anniversary.