You can get vege-gel in large shops or agar agar also works
If you are struggling try a health food shop
thanks tara40 for this they are going to b a life saver everytime i take the kids to the shop i always by 50p worth of jelly sweets (syn value i dread to think:cry
i've just mad some and they are lovely but i have one problem where can i hide them from the kids lol