Wheel Train for 12V Electric Motor

Vía de vehículo, tren, placa de traviesa 2 x 8 con ranuras para cables Ladrillo inclinado invertido 45° 2 x 1 Placa 1 x 2 Ladrillo inclinado 45° 2 x 1 triple con pin inferior ovoide Vehicle Track, Train, Slotted Rail Curved Outside Vehicle Track, Train, Slotted Rail Curved Inside Train Track 12V Conducting Rail Curved [Cable Connection Holes] Placa 1 x 6 Ladrillo 1 x 1 Placa 1 x 4 Ladrillo redondo 2 x 2 con agujero para eje Placa 2 x 2