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ZMBlock Motor Set Power Function Building Block Remote Control Programming DIY Building Kit Toy 1 Master, 1 Controller, 1 Motors, 1 Line Tracking Sensor, 1 Ultrasonic Sensor for Kids Age 8+ (6 pieces)
Master Control The Master featured with 7.4V out put and 500mAh lithium battery. 4 Ports for 2 motors and 1 Ultrasonic Sensor and 1 Line Tracking Sensor Motors for High-speed The motor provides strong power. High-speed and medium-torque building block motor power supply kit. Support forward and backward. 2.4G Remote Control & Receiver The motorized system feature 4 channel selector on remotes and control. They need to be set on the same channel to work together. Powered by 2*AAA Batter

Price is $55.00
Price: $54.99