What exactly happened at the crime scene? Was a fingerprint overlooked somewhere? Making things visible with UV light, creating invisible ink, conducting experiments with acids and bases: crime scene investigation is an exciting small-scale task. With this set, children will discover the thrilling world of forensics. Exciting short stories featuring Justus, Peter, and Bob from Rocky Beach introduce the experiments. Together with their favorite heroes, boys and girls take on the role of criminologists. They learn to reveal hidden things using chemistry. A brilliant combination: detective gadget, role play, and laboratory all in one. The detective game makes a great birthday gift.