Wal-Mart, Target, Dollar Tree and Party City are some retailers that sell Jell-O shot cups, as of November 2015. A Jell-O shot is a small serving of flavored gelatin containing vodka, rum or tequila.
Walmart.com sells packages of 50 2-ounce clear plastic mini cups with lids for about $3, 25 2-ounce clear plastic wide-bottom shot cups for about $5, 40 2 1/2-ounce clear plastic shot cups with lids for about $8 and 60 2-ounce cups in neon blue, green, orange and rose for about $7.
Dollar Tree sells individual packages in stores for $1 and sells the cups by the case online. Packages include 12 packages of 12 2-ounce neon-colored cups per case, six packages of 24 1-ounce clear plastic shot cups, and 24 packages of 20 2-ounce red cups.
Target offers TableCraft Twist'n Shot Jello Shot Cups, which have twist-off tops and are dishwasher safe and reusable. Each package contains 12 cups in yellow, orange, blue and green. The cost is about $10.
Party City has packages of 40 2 1/2-ounce clear plastic shot cups with lids for about $8.