Diecast Knowledgebase
Reference guides for diecast collecting on SmartWheelers — card types, assortment numbers, packaging details, and brand-specific tips for Hot Wheels, Matchbox, and M2 Machines.
Brand Guides
Hot Wheels: Category guides for Mainline, Mid-Tier, Premium, Ultra-Premium, and Hot Wheels wheel types. Matchbox: Card numbers, MB casting numbers, market codes, card position, series lines, and early cars with no factory number — how Matchbox maps into SmartWheelers. M2 Machines: Series, Assortment (release / Asst #), Wave, model numbers, packaging codes, exclusives, and Chase — how M2 maps into SmartWheelers.