As an action, you can create a vial of liquid with a grasshopper’s hind legs suspended in it. A creature can drink the contents as an action to increase its speed by 3 meters and have advantage on Athletics checks to jump until the effect ends.
Expeditious Potion. You can expend 1 additional catalyst so the creature can move at an incredible pace. The duration changes to 5 minutes/catalyst. When the creature drinks the potion, and then as a bonus action on each of its turns until the effect ends, the target can take the Dash action.