Check http://www.coupons.target.com/ for $5 off of any Transformers Toy $5.99 or more. You should be able to print 2 coupons from each computer you have.
Sign up for mobile coupons at Target here http://sites.target.com/site/en/spot/mobile_coupon_signup.jsp?title=coupon_signup
and you may get a Target coupon for $5 off a Transformers toy.
Transformers toy $10.01- $5 coupon- $5 mobile coupon= FREE
2nd Transformers toy $10.01-$5= $5.01
After buying both toys you will have the $20 purchase you need to submit the rebate you can print here:
It gets you a Toy, T Shirt and Additional $5 coupon
So, you've spent around $5 for $40 worth of Transformers gear for your very lucky kiddo. I just mailed my rebate in today:)