After a long search and excavation, Sjaak, Wendy, and some friends found the treasure. Wow, what a beautiful find! Wendy admires the pearl necklace, while the others are very proud of their hard work. Jan van Haasteren Junior introduces children aged 5 and up to the absurd world of these famous puzzles. They take their first steps into Jan van Haasteren's humorous illustrations and progress with different numbers of pieces and difficulty levels.