The Big Book of Amazing LEGO Creations with Bricks You Already Have: 75+ Brand-New Vehicles, Robots, Dragons, Castles, Games and Other Projects for Endless Creative Play : Dees, Sarah: Amazon.es: Libros
Wheel - LEGO® Wheel 30x14 mm - The shop Briques Passion
Poulie maquette - Cdiscount
Lego® Technic 4185, 2786, 49750, 65668, 6173194, 6330136 belt wheel, pulley, white