This would be a fun way to keep track of birthdays in the classroom and could be reused each year.
Geodesic Dome Greenhouse
Heat Your Home w/ Solar Hot Water:
Discreet Wind Turbines ... now the neighbors can't complain! I've thought about this design for quite a while now. Glad someone has come out with this.
Rainwater tank / water storage / overground RESERVOIR | COLLECTOR Circeo-partners
4.5m diameter GD27 dome
Vivienda Ecológica Autosustentable Permacultural - Construcción Domo Apa...
A very popular product of our is turning your signature into a custom and creative laser engraved business card. http://lasercuttinglab.com