Vending and amusement is a place to pick up cash if you have some unused space in your shop.
Soda Pop/tea/juice vending machines (inside or outside. Or both.)
Candy machine
Arcade type games. Pinball, air-hockey, Skee-ball.
These things bring in extra floor traffic.
Young kids at parties will normally put quarters in any machine. They like vending machines and games. Even a ride type machine is cool.
Check this out....
http://www.candymach...hine-P3249.aspx
Pool tables, foose ball, chips and drinks. Don't leave this money on the table. Unless you hate extra dollars per month in sales.