Trapped! Ellery Queen's Great Mystery Game

Who was the murderer? What was the motive? What was the time? Trapped! Ellery Queen's Great Mystery Game is a deduction game released by Betty-B in 1956 and stars the fictional detective Ellery Queen, created by authors Frederick Dannay and Manfred B. Lee. The game features the "new" three dimensional playing board with the exclusive built-in Gravity Spinner.