Courtesy of Emily Calandrelli on behalf of Wonder Bread
Film canister
Water
1/2 effervescent antacid tablet
Plate
Watch or timer
In film canister, add water until it’s one-quarter full.
Add half effervescing antacid tablet to film canister and quickly snap on lid.
Place film canister rocket on plate on ground, lid down. Stand back and use watch or timer to count down until launch.
