What can they be used for?
All non-league go karting activities at Lakeside Karting
All non-league go karting and Laser Warfare activities at Brentwood Karting

How long are they valid for?

Throughout 2020

What sort of thing can they be used to buy?

Here are just a few examples:

 
A children's birthday party - Normal Price £399 - with these vouchers only £200

An open practice session for a group of 6 adults - Normal price £300 - with these vouchers only £150

A private 'Sprint 45' race event for 15 people on 390cc karts at Lakeside - Normal Price £1035 - with these vouchers only £535