These educational models & kits for children focus on science experiments in renewable/solar energy. Use them for classroom projects or keep the kids occupied at home (grownups can help too).
I just wanted to let you know that my father is absolutely tickled with his solar cooling cap.
June 18 2012
Thank you Evren and Colin
March 16 2016
I ordered quite late on Thursday evening and it arrived very early (!) on Saturday morning.
May 30 2012
Jan 14 2017
When I inquired re a product, I was given expert advice
april 16 2014