ROKR 3D Wooden Puzzle Clock Kit – 166pcs Self-Assembly Model Kit Wooden Puzzles for Adult -Brain Teaser Engineering Toy- Gift for Teens&Adults (Pendulum Clock)

EXQUISITE DESK CLOCK: The ROKR puzzle clock combines the charm of mechanical timepiece with art. Its see-through structures and beautiful outlook will be delight to eyes. Perfect interior decoration for home/office. It is 9.2×4.6x 13.6 inch when built. MECHANICAL MODEL KIT: This 3D wooden puzzle clock is spring-driven and has the classic device of a gravity-swing pendulum. Opon windup, you can see it moves back or forth under the anchor escapement device. It involves some spacial thinking &eye-hand coordination and special patience when building. NO GLUE REQUIRED: The ROKR wooden model is all connected by mortise and tenon joint structure, like pins and tails. Every part is precisely laser-cut and fits well together. The package has detailed instruction and everything you need . No extra tools is required. FUN FAMILY PROJECT: You can collaborate with family or friends on the 166PCS mechanical puzzle kit. The sense of achievement is overwhelming when you see the beautiful clock come into being through your hands. Both challenging and rewarding. IDEAL GIFT & FINE ORNAMENT: The 166PCS ROKR puzzle box is geart choice for gifting and playing. You will experience great brain tease during and after building the model. DIY lovers or not, you will love the carefree constructing game. If you receive a wrong item, please ASK customer service for a exchange or return.