Investigate functions of the nervous system with this interactive laboratory activity. Using a reaction time, children measure response time to various stimuli including light, sound, and touch. Materials are included to allow children to develop their own personal training programs and to chart the results. Ultimately, children relate reaction time to general health and mental alertness. Kit includes reaction time, game board and pieces, chart, packet of activities, and Lesson Guide. Reaction Timer: This battery operated digital timer measures reaction time in hundredths of a second. Response switch can be used to measure reactions to light, sound and touch stimuli. Shipped directly from the manufacturer. Not available with rush shipping. Delivery time estimated at 10-14 days or less. Gift wrap not available. Information on how to place your order by fax or by telephone. Grades 3-9. Product Number: AM6215