Planet Key

Planet Keys are items that appear in Mario + Rabbids Sparks of Hope. They can be obtained by being purchased by SALESBOT 9.99+TX using Planet Coins. Planet Keys are used to open up the Secret Zones on all five planets, which contain Sparks, and Weapon Skins.

Planet Keys are keys that have puzzle piece shaped teeth, with the icon of a Planet Coin from the planet from which it is obtained on the handle.