Greenhouse Kit: Riga was in a designed with the home owner in mind. Riga or the onion as the germans like to call it is the in a series of hobby greenhouses from hoklartherm, germanys most respected sunroom and greenhouse manufacturer. unit with it mm triple wall polycarbonate glazing was developed to answer a growing demand for larger hobby greenhouses with better insulation, stability, quality et cetera normally found with commercial greenhouses. you are over wintering or plants, starting seedlings or creating a tropical jungle, enjoy years of maintenance free use with loaded kit. kit everything you need to provide a healthy growing environment during spring and summer heat or during the frosty winter. Kit includes large roof windows. long with automatic openers, large dutch barn style doors. high,, heater,, exhaust vent with thermostat, solar light, riga top shelf deep, riga regular shelf, heavy duty black seed trays, adjustable steel hooks and fixed plastic hooks for lights or flower baskets, pl.