Coupons.com has a new B1G1 Free Transformers RPM Mini Vehicle coupon (up to $3.99 value).
Print this one now (it was on page 10 for me, so you may have to search a bit), because it might go quickly!
Update - Hollie at Happy Couponing found these Transformers toys on clearance for $1.24 at Target! (remember, YMMV, but it is definitely worth checking out!). Thanks so much, Hollie!