Oasis Foam - where can I buy it?

[iamwhaticallpregnant]

Hi all,
I have researched Oasis Foam - or any kind of floral foam - and all I can see so far is places you can buy it ONLINE. But is there anywhere you can buy this in real life? I dislike online ordering. Is the best place a garden centre? B&Q and Homebase seems to just do outdoor gardening stuff. I want to do indoor flower arranging. I am in Leeds by the way.
Cheers

Most florists sell it.

Hobbycraft definately sell it

Home bargains sell it about 59p a block

Wilkinsons sell it , as do Wyevale garden centre

They sell it in The Range - saw some there last weekend

Oops - meant to say, it was in the arts and crafts section, not the gardening bit.