LEGO Technic Mobile Crane • Set 8421 • SetDB,LEGO 8421 TECHNIC Mobile Crane 1884pcs Brand New Sealed Box Japan Retired Rare,LEGO 8421 TECHNIC Mobile Crane 1884pcs Brand New Sealed Box Japan Retired Rare 673419054270 | eBay,LEGO MOC 8421 alternate build: Pick Up Tow Truck with trailer by B4 | Rebrickable - Build with LEGO,LEGO 8421 Technic Mobile Crane NEW & SEALED 673419129312 | eBay