2/4/6Pcs 92911+bb607 Universal Wheel Kit Stainless Steel Ballor For Legoeds EV3 Robot Toy Parts DIY Bricks Assembled Accessories

High-concerned chemical : None Is Electric : No Battery Block Size : Micro building block、Big building block（＞1cm） Material : Plastic Brand Name : DIAPER&CORED Recommend Age : 14+y Origin : Mainland China