“Really they’re so diversified,” Ziehm said. “They encourage people to use creativity. They’re just a tool, a resource. It’s not a cookie-cutter program.”
Denniston said he is working with McMahon to create new trading cards with other products.
“There are no other easy, fast educational tools that are as simple as this,” Denniston said.
The department also offers coloring books, harvest charts, trivia and games on the web site.