Dr. Spark's greatest invention has vanished! Interview the suspects, run science experiments to find clues, and solve the mystery. A science adventure for young detectives!
More time, extra hints. Great for beginners!
Standard challenge. Think carefully!
Less time, fewer hints. For expert detectives!
Interview each person and run experiments to find the truth!
Review your clues and choose carefully. Who do YOU think stole Dr. Spark's invention?