Memtes Friction Powered Excavator Tractor Toy Truck with Lights and Sounds for Kids Friction powered mechanism installed, just pull the tractor truck and it will go Excavator arm lifts up and down and rotates 360 Made from sturdy and durable plastic 4 buttons to press for various different sound effects Excavator Tractor Truck Size 7" (length) x 10" (height) x 5" (width) Included and installed with batteries