Kepak is attempting to lure thrill seekers with a Thorpe Park on-pack promotion. 

Consumers can claim a bogof entry voucher by visiting the brand's website and automatically enter a competition to win free passes to an extreme events weekend. The offer runs across Rustlers Quarter Pounder, Hot Subs, Chicken Sandwich, BBQ Rib and The Big One (excluding pricemarked packs).

tel: 01772 688300