K-Puzzle 1000-piece puzzle Detective Conan

Shinichi Kudo, 17 years old, is a high school detective, a big fan of Sherlock Holmes, and also an excellent football player. Childhood friend of Ran Mouri, daughter of the useless Detective Kogoro Mouri, Shinichi has feelings for her, feelings that are reciprocated but will be confessed by neither. After witnessing an arms deal, Shinichi gets knocked out and is forced to ingest a poison whose effects on humans are still unknown! The poison had a rather unpredictable effect on the brilliant detective: he will become 10 years younger!