Visit any Gambados ball park (except Eastleigh) and get entrance for a family of 4 for £5 (Could also be 1 adult 3 children)
From their website -
"BLACK FRIDAY SALE
PLAY SESSION FOR 4 PEOPLE FOR £5
Grab yourself our BIGGEST AND BEST offer yet. Buy a family play day voucher for 4 people for ONLY £5 – usually worth over £30!
BUY YOURS NOW
HURRY! THIS OFFER IS ONLY AVAILABLE TO BUY AS PART OF OUR BLACK FRIDAY PROMOTION"
– Tickets can be used Monday to Friday up until 24th December 2016 at any Gambado site excluding Eastleigh
– Cannot be used in conjunction with any other offer
– Cannot be exchanged for cash value
– Voucher entitles 4 people entry to Gambado for 1 session (must include 1 adult)