This GUMBALL MACHINE digital reward is a fun way for any teacher to implement a whole-class or individual reward system with their students. It is easy to use, colorful, and everyone loves bubble gum! Great for teaching colors! These are great for whole class, group, student rewards, as well as online VIPKid teacher rewards. Drag and Drop the gumballs and watch your gumball machine fill up.Use Digital Rewards with your whole class, small groups, or as individual student behavior incentives, bot