This one depends a lot on where you live. Get a coloring book and just go Has been dating idea. Give one or two of them a shot. Some possibilities might be table tennis, bowling, badminton, or something similar. A great idea is to send this list to your date and have them pick a few they would like to do and go from there.
It's the total opposite of thrift store shopping and yet just as fun. Do something low-key competitive like play a game of basketball or Ping-Pong together. So, attempt is the key word here. Read all about it here.