Scalextric C8512 Scalextric Track Extension Pack 3Scalextric C8512 Scalextric Track Extension Pack 3 Product Info Extending your Scalextric layout has never been easier! The seven Scalextric Track Extension Packs are totally flexible in their design and any of these packs can be added to both Standard or Digital Scalextric circuits. Each pack can be incorporated into a Scalextric circuit, from simple ovals and figure of eight tracks to the largest layouts. One or more Track Extension Packs can be