SCHOOL PACKAGES at the Galleries of Justice, Nottingham, now take visitors through more than 250 years of crime, punishment and law, and include the chance to learn about the history of the police, forensic science and detection. Mock trials are also available for all key stages ranging from historic cases to modern day tribunals. A full day costs Pounds 3.95 per pupil. Tel: Sally Hague, education and outreach officer, 0115 952 0555.