Frank Lloyd Wright Night Lights  
Frank Lloyd Wright Geometric & Sumac Ties

For fans who of a more abstract design, there is the Ennis House (Los Angeles, 1923) Block.  
The night light uses a 7 watt bulb (should last about 3,000 hours) and has a sensor to turn itself
on and off as the room light changes.
 

LT09 - FLW Lake Geneva Tulip
Night Light - $28.00

LT10 - FLW Ennis House Block
Night Light - $28.00