My Variety of Gears - Mechanical Building Block Set (12164) Birthday Gift New Year Gift Children's Puzzle

The large and small gears are placed on both sides, and the chain is placed on the outermost periphery. The large gear rotates once and the small gear rotates twice! **【Product Features】** 1. Gear educational toy mechanical building block set, including large and small gears, building blocks of various shapes and colors, and connecting rods of different lengths. The mechanical gear puzzle building blocks with added chains allow children to safely and closely observe the transmission structure of chains and gears, understand the basic principles of mechanical rotation, and stimulate their imagination! 2. In the process of pushing, pulling and turning gears, children can stimulate their creativity and develop their ability to observe and think independently. 3. At the beginning, you can ask your children to refer to the steps in the assembly instructions and operate step by step. From the operation process, you can slowly develop patience, observation and problem-solving abilities. When you finally complete the work, it will also bring you a lot of joy. A sense of accomplishment. **[Helping children develop various abilities]** 1. Recognize colors and shapes 2. Develop the ability to sense space and logical thinking 3. Development of small muscles in the hands 4. Cultivate imagination and make various creative changes 5. Solve problems **【Specification details】** My ever-changing gears-mechanical building blocks set Product number: 12164 Suitable age: 6 years and above Packing size: 28x26.5x6 cm - Product content includes: Transparent building blocks, colored building blocks, connecting rods, large and small gears, wheels, base plates... 177 pieces in total Assembly instructions (including 8 model designs) **[Notes on returns and exchanges]** ✦When returning the product, the product must be in a brand-new condition, and please ensure that the main product, user manual, peripheral parts, invoices, related accessories, etc. are not missing, and return them together with the original packaging. ✦Edx Edx Design Center only accepts "returns for the entire order" and does not accept partial returns. ✦If the product is defective, Edx provides "exchange service". If you need to return the product, please "return the entire order together". Partial returns are not allowed. **[Shipping operation process]** Shipping time takes 3-5 working days (excluding holidays) Home delivery: It will arrive in about 1-3 days after shipment (excluding holidays) ✦Shipping to the main island of Taiwan (excluding remote areas): Free shipping when you spend NT$1,200 or more. If the consumption amount is less than NT$1,200, home delivery - shipping fee is NT$100. ✦Outer islands & remote areas: Enjoy free shipping when you spend NT$3,000 or more. If the purchase amount is less than NT$3000, please write to us first for a shipping quote. Thank you. **[Invoice delivery schedule]** ✦The invoice needs to be issued by the accounting department and will be sent by ordinary registered mail after shipment: For orders shipped from the 1st to the 15th of the month: invoices will be sent out after the middle of the month. For orders shipped from the 16th to the end of the month: invoices will be sent out after the beginning of the next month.