Eligibility for 2 Year old funding :- www.lancashire.gov.uk/childcare
This site will give you information on your eligibility for 15 free hours of childcare for your 2 year old child, where you can use the vouchers and how to claim it.
There have been recent changes on who can claim it so it might be worth a look to check again.
If you have a look at the website there have been some changes which should make it easier to navigate.
New link is www.lancashire.gov.uk/family