Amazon has the Master Lock Cash Box with Money Tray & Key Lock for only $6.20! Ideal for petty cash, fundraising, garage sales, school cafeterias, craft fairs, festivals, sporting events, and small businesses. The Master Lock 7113D cash box has a removable seven-compartment tray for easy organization of cash, coins, or other personal items. This cash box is made from durable steel and stands up to daily wear and tear.