• Fans of construction toys will love building their own model version of the Mercedes-Benz Zetros Trial Truck. Check out all its awesome functions using the LEGO Technic CONTROL+ app.• LEGO Technic App-Controlled 4x4 Mercedes-Benz Zetros Trial Truck (42129) model – Packed with authentic details like working suspension on all 4 wheels, a detailed gearbox and differential locking.• Realistic design features include race themed stickers plus 2 fire extinguishers. Use the flags to create an obstacle course and test the truck’s skills across different terrains.• This is a great set for adults and kids aged 12 and up to enjoy together. It’s also an awesome toy for young LEGO builders looking for a challenging building experience.• The toy truck model measures over 8 in. (21 cm) high, 19 in. (48 cm) long and 7 in. (19 cm) wide.• Requires 6 x AA batteries (not included). The battery box disconnects easily, making it simple to change the batteries when required.• This RC app-controlled LEGO Technic truck is powered using 1 x Bluetooth-controlled smart hub, 3 x large motors and 1 x medium motor, included in the set.• LEGO Technic construction toys offer an advanced experience for LEGO fans who are ready for their next building