But what do they do? Charly Delwart and Elo. From 2 years old. But what are they all doing? An ingenious cardboard box with dizzying suspense, a sparkling and wacky story to make your evening reading a sweet moment of laughter. Here is Blap, Blop, Blip, Blup and Blep. Five best friends. What they like is to laugh. Suddenly, Blap turns his head upside down... But what is he doing? Is he mimicking a carrot? And Blep is also doing weird stuff now! But what are they doing? Are they playing ice wolf? Do they have back pain? An ingenious cardboard box set with dizzying suspense. We won't reveal the ending to you... But what crazy people! After the success of But what are they doing?,The new book by the duo Charly and Elo cleverly mixes craziness and children's words, with curvy characters in a lively, bubble gum palette. The result is totally irresistible.