Mould King Engineering Dump Truck 8x8 Wheels Building Blocks, 4166 Pieces with 8 Motors and Remote Control 2.4GHz Edition, Large MOC STEM Clamp Blocks Building Kit for Over 8+ Product Feature: MULTI-FUNCTION CONTROL: Dump Truck 8x8 design: The mobile wing booy truck is compatible with the 2.4G and app dual control systems, stable and interference free, with enhanced performance, including XL large motor x4, L motor x2, servo motor x2, Bluetooth lithium battery x1, 2.4 GHz remote controller x1. Use the 2.4G remote control or Bluetooth application to control many interesting real-world functions. STEM BUILDING & LEARNING: The greatest joy of building blocks are the challenges during assembling and the achievement after finishing. This STEM engineering building set can not only help kids cultivate patience, exercise hands-on skills and learn knowledge during the assembly process as a great mind game, but also keep them from over-playing phone and video games EASY TO ASSEMBLE: This 5572 pcs Technical Dump Truck building model is equipped with a detailed color manual showing clear installation steps, which is easy to understand and follow. For easier installation, the building bricks are put into several separate bags according to installation order. Compatible with other parts, you can unleash your creativity to make more combinations. Top Gift Choice: If you are looking for a cool gift for your child's birthday / Children's Day / Christmas / New Year / Chanukkah / Easter / Summer Camp / School Call. Or you have searched for a building block challenge, this product is the best choice for your children or friends. Bring the craftsmanship and the imagination of your children to wear. Gifts of this size can highlight children among friends. Product display Amazing operation After -sales guarantee: Every piece of our product is picked up by machine, the packing will not be confirmed until three tests have been carried out. If your sets are still missing pieces, please contact us. We will send the missing parts to you for free, thanks in advance. Product Specification: Item dimensions: 29.41 x 10.53 x 15.8 inches Item Weight: 2.2 pounds You Get: 1 x Mould King Engineering Dump Truck 8x8 Wheels Building Blocks Before you place an order, please provide me with English information to facilitate our delivery and logistics