ROKR 3D Puzzle Magic Cello Mechanical Music Box Automatic Playing No Batteries Required Wooden 3D Wooden Puzzle Craft Kit DIY Craft Assembly Model

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. 3D puzzle with music box: This ROKR puzzle incorporates a cello into a "mechanical music box." You can enjoy both the fun of handmade crafts and music. AUTO-PLAY MECHANISM & MUSIC: The wind-up mechanism moves the bow linearly from left to right and back again. Twist the clockwork and this magical cello music box will automatically rotate to the beautiful music "Nocturne, Op.9, No.2 in E-flat". Romantic and retro style: This cello music box puzzle is mainly a combination of cello and magic book. The hollow structure of the body shows the internal gear set, and a six-petal flower is decorated on it, and the panel is engraved with classic European patterns, making it retro and stylish. Mysterious magical old book, crisp and natural texture: The open old book stand is a mix of natural wood and retro brown, with a small story about Casals, the father of the cello. The three magic books are stacked in order, and the cover has a carved European-style hollow pattern, creating a mysterious and retro atmosphere. The spine of the book is composed of elastic threads, giving it a crisp and natural texture. Beautiful appearance with mechanical motion and stationary harmonica: Built-in power mechanism drives a complex gear system to achieve precision motion and stationary harmonica. EASY TO ASSEMBLE: This puzzle kit may be a little difficult for beginners, but the instructions include easy-to-understand illustrations, so even those with poor hands can easily assemble it. GREAT GIFT IDEA: This kit is the perfect gift for birthdays, Christmas, Valentine's Day, etc. Create special memories by giving your loved ones a handmade gift. AMK63-Magic Cello 3D Puzzle with Music Box Number of Pieces: 199 Estimated Assembly: 4.5H Difficulty Level: Intermediate *As a mechanical music box, no batteries are required.