• Rear-drive high speed motors featuring strong, metal-geared N20 motors with 300 RPM max speeds and rubber tires.

• Cute with a small round structure, the PCB body is durable, crash-proof and easy to pick up and move around.

• Only batteries and ultrasonic sensor need to be assembled featuring easy installation. No soldering or tools required!

• Slot for ultrasonic distance sensor and I2C port for additional sensor add-ons on front edge

• Headers for additional servos and sensors on back edge.

• Metal caster wheel

• Flexible and fast movement

• Dual line-tracking light sensors

• Infrared sensor can support optional IR remote control

• Multiple rainbow LEDs!