20PCS / lot Crown Gear 24 Tooth High tech Component 3650b Accessorie Birck Fitting Including Lego Building Blocks Toy Ideal For Children

Is Electric : No Battery Block Size : Small building block（Compatible with Lego） 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.