I went on Saturday and on the back of my tickets (one adult, normally £14.95 one child, normally £11.95) is a £4 off voucher for next visit. I won't be going again as I was in Kent for the weekend only. I am happy to post and give someone a slightly cheaper day out in the summer hols! They can't be used in conjunction with any other promotion, family tickets or online tickets; neither are they valid on Bank Holiday weekends. Valid until January 2010. If you would like them, let me know and they are yours.