Discontinued - you can grab Day of the Geek Soldering Badge instead!    Scary. Solar. Skull-y. The Solar Powered SKULL Blinky LED Pendant by Lumen Electronic Jewelry is an awesome new kit where, with a little soldering, you can make a battery-less blinking skull. That's right, there's no coin battery! Instead, a 1 Farad super capacitor is used to store energy. It takes around an hour to make and, when you finish, you can...

Never go looking for some AAA's again, this solar racer car requires no batteries! The Volta Racer Solar Motorcar Kit contains all of the necessary parts required to successfully assemble your car - including the worlds first flexible polycrystalline silicon solar cell used for powering toys. No special tools or batteries are required - just your hands! Makes for a great first electronics toy or project. For children ages 6 years and olderWe...

Hoot! Hoot! "The owls are not what they seem." This is the Solar Powered   Owl Blinky LED Pendant Kit from Lumen Electronic! With a little bit of soldering you can make a battery-less blinking owl. That's right, there's no coin battery! Instead, a 1 Farad super capacitor is used to store energy. It takes around an hour to make and, when you finish, you can charge it either with a USB or with the power of the sun. It takes...