This is a simple drawing robot that accepts commands from a universal TV remote control. It comes with all parts including Arduino compatible Magician Controller. Powered by 4 AAA alkaline batteries (not included) and a mini B USB cable (sold separately.) Magician Controller library has drivers for H bridge as well as IR receive Sample code included Great Educational Toy or Gift!! This is a simple drawing robot that accepts commands from a universal TV remote control. It comes with all parts including Arduino compatible Magician Controller. Powered by 4 AAA alkaline batteries (not included) and a mini B USB cable (sold separately.) Magician Controller library has drivers for H bridge as well as IR receiver. Sample code included. Kit contains: Arduino compatible robot controller (ATMEGA8A) with USB interface Laser cut, transparent Acrylic base plate 2x LBD geared motors with ball bearing 2x Wheel Encoders for precise movement and drawing 1x Miniature servo with ball bearing Rubber tires and pen gripper Pen not included; any large pen, crayon or chalk stick can be used to draw.ASSEMBLY AND SOLDERING IS REQUIRED.Product Dimensions (L x W x H): x 127 x MMProduct Weight: 5.800625 LB