Target has the Leapfrog Tag Reader selling for $39.99.
Final Price, $19.99
If you have a younger child, you can do this same deal with the Tag Reader Junior. Target has this selling for $28.99.
Final Price, $13.99
I purchased both of these systems this past week as Christmas gifts for my little guy, and my nephew. I loved seeing the "savings" amount on my receipt! :)