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 on the handle.

Sunrise Key
''Buyer beware - no refunds! Might unlock some atypical door on Beacon Beach. Maybe.''
 * SUNRISE KEY

Midwinter Key
''Item info unavailable. Look for weird doors on Pristine Peaks with weird locks?''
 * MIDWINTER KEY

Spellbound Key
''Seller makes no guarantees with this item. Look for strange doors on Palette Prime with strange locks, maybe?''
 * SPELLBOUND KEY

Efflorescent Key
''This odd key likely belongs to an odd door somewhere on Terra Flora. Buyer agrees seller is blameless, regardless.''
 * EFFLORESCENT KEY

Barren Key
''Seller makes no claim as to which weird door on Barrendale Mesa this may unlock. Buyer is on their own.''
 * BARREN KEY