Finished product. Out-of-print, authentic product. LEGO (LEGO) Technic Mercedes-Benz Zetros - 4x4 Truck 42129 Truck Remote Control Radio Control App Adult LEGO Automobile Brand LEGO (Lego) Manufacturer's Recommended Minimum Age (Months) 144 Material ABS Educational Objectives Creativity, Creativity, Spatial Awareness, Concentration, Dexterity Number of Pieces 2110 Theme Vehicles * The 4x4 Mercedes-Benz Zetros trial RC truck model, one of the app-controlled car series, is packed with realistic details. * This remote control truck car toy features a detailed engine with a rotating radiator fan, all-wheel suspension, and a detailed gearbox. * Equipped with the first differential lock mechanism in LEGO Technic, it's easy to drive on rough terrain with app control. * Using electronic mechanical parts (Bluetooth-operated hub x 1, L motor x 3, M motor x 1), you can control it with a remote control (radio control) via the app. * Accessories such as racing stickers and two fire extinguishers are also included. You can create various obstacle courses using flags and challenge yourself to powerful off-road driving. * Requires 6 AA batteries (sold separately). You can remove the battery box for easy battery replacement. * Perfect for vehicle enthusiasts aged 12 and up, both children and adults. You can enjoy assembling the high-difficulty model with your children.