3pi Robot
The 3pi robot is designed to excel in line-following and maze-solving competitions.

$99.99

Ball Caster with 1/2in. Metal Ball
This ball caster kit includes a black ABS housing, a 1/2in. diameter metal ball, two spacers (1/16in. and 1/8in. thick), and two #2 screw sets.

$3.99

Ball Caster with 1/2in. Plastic Ball
This ball caster kit includes a black ABS housing, a 1/2in. diameter plastic ball, two spacers (1/16in. and 1/8in. thick), and two #2 screw sets.

$3.99

3pi Expansion Kit with Cutouts - Red
This kit gives you everything you need to add a second level to your 3pi robot.

$19.99

3pi Expansion Kit without Cutouts - Black
This kit gives you everything you need to add a second level to your 3pi robot.

$19.99

Orangutan USB Programmer
The programmer incorporates a USB-to-serial adapter and emulates an AVR ISP programmer.

$27.99

USB AVR Programmer
The Pololu USB AVR Programmer is an extremely compact, low-cost in-system programmer (ISP) for Atmel's AVR mirocontrollers, which makes this device an attractive programming solution for AVR-based controllers.

$19.99

Sharp Analog Distance Sensor
The Sharp distance sensor is a great way to add obstacle avoidance or motion sensing to your robot or any other project.

$9.99

3-Pin Female JST Cable for Sharp Distance Sensors
This 12-inch cable has three 26 awg wires with a 3-pin female JST connector that matches the connector on Sharp analog distance sensors.

$0.99