Get 15 box tops wyb any 4 participating GM BTFE products

[uummm]

I don't have the offical list but I have the ad...
Buy any 4 participating GEneral Mills Box top for education products and get 15 extra box tops that print at the POS catalina machine

Picture shows
Hamburger Helper
Bisquick
Trix
Cherrios
Kix
Totino's Pizza Rolls
BC Gushesrs
BC frosting
Go Gurt
BC Superme Brownies
BC Cereal and milk bars
Nature Valley
Pillsbury Grands
Toaster Strudel
Old El Paso

Probably most GM cereals are included and any BC fruit snacks