Rach: I suggest calling ahead of time before you go in.
This is what I recommend for a full set of armor:
1x Trial kit (test kit to see what does what and you'll need the instructions to read the safety and handling info) $14.99
2 x 4.4lbs buckets of Aqua resin S3 Poweder $19.99
1 x 2.2 "L" liquid $19.99
2 x Krylon Clear Coat Finish in Satin
3-4 yards of the Fiberglass Surfacing Veil
4 spatulas (different sizes)
Gloves
Eye protection
Respirator or a sturdy dust mask, better overkill than not safe at all
A good amount of sandpaper
Masking tape (to section off areas as you add the smoother)
You can just use some plastic party cups to mix the Aqua Resin.
You use a lot of powder compared to the liquid, so that's why I stress getting 2 buckets of powder, and the smaller buckets are very hard to get. I bought 2 this weekend and they only had about 3 left after I nabbed em'.
All the supplies you need may run close to $100.00
Good luck kiddo