Knurri und der Eierdieb (1980)

Knurri, a little rabbit, and his family want to sell eggs at the market. On the way there, Knurri strolls along and discovers late in the day that he has lost his eggs. A ravenous badger has devoured them. Nobody at the market wants to buy eggs from the rabbit family. Only when Knurri comes along and suggests painting the eggs with flower paint does the business get going and everyone is happy.