This physics experiment can help find the relationship between the voltage of the batteries and the brightness of the bulbs. Grouped into three stages: the first stage 1.5V, second stage 3V, third stage 4.5V. All experiment parts are installed within the container which is great for safe keeping and easy transportation.

Contents:

• (6) battery compartments
• (3) small light bulb with lamp holder
• (15) terminals
• (3) switchs
• (3) batteries
• Conducting wires with plugs