Starting Friday at 3pm Mr Potato Head will be on a door buster sale price of $3.99. There is a $2.00 coupon you can print off here
Click on toys in the list on the left to find it quicker. You should be able to print it twice.
There is also a coupon for $5.00 off $20.00 on My Little Ponies. These are on sale at Toys R Us until Saturday for buy 2 get 1 free. So with the coupon and sale you should be able to get 6 for $3.49 each if you stick with the least expensive ones.
These would be great toys for the Giving Trees if you don't have anyone to gift them too.