Thames & Kosmos Solar Power Plus The tray also contains three

The tray also contains three pre-drilled and tapped 1/4"-20 holes to secure additional accessories

This is a very simple circuit with big fun

and calibration and adjustment Source

Warning: Chocking Hazard - Small Parts

Solid For use with the 9-60D

Thames & Kosmos Solar Power Plus The tray also contains threeGigantic photovoltaic's science lab Build your own solar powered creations and discover how solar cells generate electricity Assemble 22 models Power the models you build with the solar panels outside on a sunny day This kits teaches basic concepts in solar energy This science kit lets you build your own solar powered gizmos and learn a bit about how solar cells generate electricity in the process. You get 256 building pieces to assemble 22 models