Classroom Money System Hitting a middle-of-the-year rut with behavior, and you feel like you need something to revitalize your expectations and encourage your students? This system works! Students can use their money to "buy" physical incentives like pencils or stickers (mine love the waterproof water bottle type stickers) or incentives that don't cost you anything like any of the followingg listed: Great for use in an elementary or middle school! an Files include: A sheet of $1s, $2s, $5s, $10