Three bugs per pack, each include a solar panel, so all you have to do is find a patch of sunlight, sit back, & watch them go for a run. They go off at high speed, as soon as they come into contact with sunlight. Key Benefits & Features Absolutely no other power sources or batteries are required Perfect eco-friendly gifts Great introduction into solar power & renewable energy sources You can watch them move around in direct sunlight thanks to the solar panels on their backs Included 3 Solar Bugsper pack Solar Bugs are backed by our 30 Day Money Back Guarantee