NXT

• A computer controlled brick and the “brain” of your robot that controls the motors and sensors

Motor

• A geared engine that provides rotation when supplied with electricity. A motor converts electricity into mechanical movement.

Wire

• The method of transport of electricity for the motors

Gears

• A toothed part that can change the speed, direction, or torque (power) of your motor

Axel

• A rod which is used to house wheels and join beams together

Beam

• A building unit of LEGOs with holes through the sides. The most common building unit.

Bushing

• A small piece which fits over the ends of axels to secure them into place

Peg

• A lego piece that goes through the holes in the beams

Friction Peg– A peg that prevents the beams from moving when

connected

Plate

• Thin basic LEGO building piece

Block

• Basic LEGO building piece