Prepare grape Jell-o according to package directions. While the gelatin is still liquid, pour equal amounts into 6 clear cups. Refrigerate until set, about 2 hours.
Prepare lemon Jell-o according to package directions. While the gelatin is still liquid, pour equal amounts over the grape Jell-o. Refrigerate until set, about 2 hours.
Prepare lime Jell-o according to package directions. While the gelatin is still liquid, pour equal amounts over the lemon Jell-o. Refrigerate until set, about 2 hours.
Before serving, top with whipped cream and decorative sprinkles.
Notes
To get the perfect layered Jell-o cups, make sure to cool each layer fully before adding the next one.
When stirring in the sprinkles, add them slowly so that they don’t sink to the bottom.
Keep these cups cool until you are ready to serve them.