Hoth and Cold is a level where you try and defend the Echo base. This guide will show you how to collect all the Minikits in the Hoth and Cold mission.
Hoth and Cold: Minikit 1/5

You will find a flying drone in the middle of the map, shoot the drone to get the Minikit.
Hoth and Cold: Minikit 2/5

Head to the left side of the map and align the satellite dishes
Hoth and Cold: Minikit 3/5

Go behind the tower and build a Magnet. Use the battery dropped by the droid on the highlighted box to unlock the Minikit inside.
Hoth and Cold: Minikit 4/5

Pull the lever first and ride the ship to your left. Shoot and destroy the snow pile on your right.
Hoth and Cold: Minikit 5/5

Destroy at least 5 snowmen that are scattered around the map to get the Minikit.
Hoth and Cold: All Level Challenges
Probe Droids
Details: Shoot at least 5 Probe Droids without them spotting you first to complete two challenges.
Zip Wires

Details: Use all the zip wires or ziplines on the map to complete the challenge.
ALSO READ: Assault on Echo Base All Minikits & Challenges | LEGO Star Wars The Skywalker Saga