We don't know about your kids, but our son is in love with our light switches and could happily be carried around all day turning them on and off. These nifty light switch stickers sure made us smile and would no doubt delight our son.
Designed by Henrietta Swift, facial features (enough for 8 faces) include eyebrows and lashes, rosy cheeks, freckles, smiling mouths, and moustaches. If the price (£6.00) or shipping is too steep, maybe you have some colored contact paper at home and can give it the diy treatment.
(via Happy Mundane)