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 added to the same circuit, or you could use all the Track Extension Packs to make a hugely impressive circuit incorporating all the featured track pieces! The reverse side of the packaging explains how the Track Extension Pack can be incorporated into any number of layouts. Features "One size fits all" concept ; Compatible with Digital and Standard sets contents; Fits any sized layout; Contents: 2 x Racing Curves, Borders and Barriers. Please note: The Leap Ramp pieces found in Track Extension Pack 2 and the Ultimate Extension Pack are not suitable for Digital Circuits.