Make circuits to create a lie detector; morse code transmitter; radio and flying saucer. This is not a toy and is a product that is suitable for a wide range of ages up to teenagrss with appropriate adult supervision. tThe experiments are appropriate for National Curriculum Key stage 2 (Materials & their processes, 1C & Physical Processes 1A, 1B, 1C), Key stage 3 (Physical Processes 1C, 1E, 1F) and Key stage 4 (Physical processes 1B, 1C, 1E, 2C). Requires 4 AA batteries (not included).