20PCS / lot Gear 16 Tooth High tech Component 4019 Accessorie Fitting Including Lego Building Blocks Toy Ideal For Do-It-Yourself

Is Electric : No Battery Block Size : Small building block（Compatible with Lego） Gender : Unisex Material : Plastic Recommend Age : 18,14y Origin : Mainland China Dear customers, we have prices. For customers who need to buy in large quantities, please contact our customer service, we can provide preferential prices. thank you for your support. 1.Usually random color, if you have a color you want, please tell customer service. 2.If the order exceeds $10, we will send you a parcel for you using traceable logistics for free, so that the package will arrive in your hands very quickly.