Mould King Bulldozer Technic Building Set, App-Controlled 2.4G RC Bulldozer Truck Construction Vehicle Toys with Engines, DIY Engineering Model Sets for Adults/14+(1508 Pieces) Product Feature: Techinc Bulldozer - This crawler bulldozer model building block is simulated real cockpit, track drive, boom lift, and flexible steering, lifting and lowering buckets, rippers and ladders. Numerous realistic functions.This model moves like a real bulldozer. Technology dynamic version - 1 x S motor, 1 x MK3 power module, 1 x Stickers, 1 x remote control. With the mobile app you can control everything. Boom, handle, shovel can be turned remotely, the hood can be opened, easy to replace the battery. Programmable function - You can control the technique bulldozer through remote control or your mobile phone, you just need to download the app and connect the excavator clamping blocks via Bluetooth. It supports 2 remote control modes - remote control mode and programming function. Each mode is simple and easy to use. Enjoy the fun of all control options. USB Powered Design - This toy building block uses a high-performance motor that can deliver strong performance, and rechargeable 4.07V lithium-ion batteries that provide the best running time. Easy to charge, you can charge the technical truck via the plug, portable power bank, laptop etc. And the remote requires 2 AAA batteries (not included). Ideal gift for Adult & Kids - This building toy with cardboard packaging is a ideal gift for construction for birthday, children's day, Christmas, New Year. All products of my company have been strictly tested before shipping. If you have any problems with your purchase, please feel free to contact us! Product Specification: Item dimensions: 17.95 x 7.6 x 5.35 inches Item Weight: 4.95 pounds You Get: 1 x Mould King Bulldozer Technic Building Set Before you place an order, please provide me with English information to facilitate our delivery and logistics