Learn about robotics with this fun to build remote controlled robot arm kit. Once assembled, have fun driving it around the house to pick up and deliver objects to different rooms. The tank-like tracks help it drive across different surfaces and obstacles, and the articulating arm with claw rotates and extends to pick up even the smallest of objects. The remote control has a range up to 30m, and requires 3 x AAA batteries (not included). The robot features a rechargeable battery that provides up to 1 hour of playtime. To charge, simply connect it to an available USB power source using the supplied USB charging cable. 81 piece kit with build instructions.Features: - 81 Pieces - Ages 8+ - Forward, Reverse, Left, Right, Spin, Arm Up, Arm Down, Clamp Pickup - Includes 1 Remote Control, 1 x USB Charger Specifications: Transmission frequency : 2.40000000GHz Length : 260.00000000mm Width : 195.00000000mm Height : 420.00000000mm Weight : 1.40000000kg Battery used for : Remote Control Size / Shape : AAA Type : Alkaline Battery quantity : 3.00000000pc Batteries included : false Batteries can be replaced by user : true Rechargeable battery required to power : Main Product Shape : Lithium Rechargeable Battery Cell/Pack Type : Lithium Polymer Voltage : 7.40000000V Capacity : 1200.00000000mAh Batteries included : true USB recharge time : 40.00000000min, 50.00000000min Flight or drive time : 45.00000000min, 60.00000000min General Type of Vehicle : Robot RC operation range : 30.00000000m Assembly Required