With the item in your inventory, you can right-click Use on it, and click another player. If the player has both of their hands empty, they will catch the egg, and it will end up in their weapon slot.
After the easter event was removed, they became available from Diango's Toy Store.
Monster Combat level Quantity Rarity Colossal Chocco Chicken N/A 3–20
- The name is likely a reference to the Holy Hand Grenade from Monty Python and the Holy Grail