Coupons.com has a $1.00/2 Jell-O Gelatin and Pudding Mix coupon. Take the coupon with you to Target to pick up Jell-O for only $0.24 per box! You might be able to get them around that price at Walmart too.
Jell-O Gelatin – $0.74
Use the $1.00/2 Jell-O coupon here
Final price: $0.24 per box!
Thanks, Common Sense with Money.