The Moomins (1978)

S1E15 The Departure from the Island

The day after the storm, the sun beams down brightly. Schnüferl suggests they embark on a treasure hunt. He discovers a stash of gold and a cork belt, while Moomin stumbles upon a snow globe, and the Snork Maiden uncovers a wooden figure. Excited by their finds, they collaborate to construct a raft to carry their newfound treasures.