NEX 3WD 100mm omnibus wheel robot kit 10012 This is a 3 wheels drive mobile robot utilizing omnibus wheels. If capable of moving in any direction by changing the velocity and direction of each whee! without changing is orientations includes microelectronics expansion board, DC motor with encoder and ultrasonic sensors. With per-drilled screw holes it can be easily extended. \ OW ‘Snider) EE.