This DIY Transparent Motor Smart Robot Car Chassis Kit comes with quality product. The kit is easy to assemble/disassemble. Now it has become very easy to design robotic smart cars with Robu.in. Check out our other smart kit now!! Note: The motor power supply is 3V ~ 6V. All the parameter above is tested without load. The car Chassis is transparent, you need to tear out a protective paper. The color of a protective paper may be different. Package Includes : 1 x Car chassis. 2 x BO Gear motor. 2 x Car tire. 1 x Universal wheel. 2 x Speed encoder. 2 x Fastener. 1 x Screwdriver. 1 x Battery box(batteries not included). All necessary screw and nut. Feature: Smart car chassis tracing car Robot car chassis with code disk, Ideal for DIY. This car is the tachometer encoder. With a 4 AA battery box (batteries not included). Can be used for distance measurement, velocity. Can use with other devices to realize function of tracing, obstacle avoidance, distance testing, speed testing, wireless remote control. Size: 21 x 15 cm (L x W). Wheel size: 6.5 x 2.7cm (Dia. x H). Category: Robots and Kits