Amazon has Mr. Beams Battery-Powered Motion-Sensing LED Stick-Anywhere Nightlight on sale.
Mr. Beams MB723 Battery-Powered Motion-Sensing LED Stick-Anywhere Nightlight, 3-Pack for $15.49 ($5.16 / Item)
Mr Beams MB726 Stick Anywhere Battery-Powered Wireless Motion Sensor LED Night Light, White, Set of 6 for $27.80 ($4.63 / Item)