Eyeball Frog

The Eyeball Frog is an item in the Trading Sequence for Ocarina of Time. Link must give the Prescription to King Zora, who will then give Link the Eyeball Frog which he must then rush down to the Laboratory at Lake Hylia before it spoils. If Link successfully brings Eyeball Frog to the Lake Scientist within the three-minute time limit, Link will be given the Eye Drops which he must then rush up to Biggoron in exchange for the Claim Check. The Claim Check can be exchanged in three days for the Biggoron's Sword.