I've always liked playing with balls but I used to just hit them around myself and chase them. It's hard for me to pick up balls like this tennis ball because they're too big for me. Jessie and Leah taught me how to play fetch last weekend with the balls that Pearl gave me. These balls are just my size so I am able to pick them up and bring them back. Who knew that's what "fetch" is? I really like that game.