As title says.
Recieved through post and is for New customers to Ladbrokes games, or existing customers who have not played Ladbrokes Bingo before.
You must spend your £10 within 7days of depositing it. It doest say anything about how long to use your free £30.
Also try Ladbrokes Bingo for FREE on Sat 8th November between 11am-12pm and 6pm-7pm
The website link ends in /nov-offer
so maybe this will come round again every month ?