LED Night Light (I got mine from Orchard Supply Hardware)
small piece of self adhesive vinyl. White preferred - bumper sticker material works great.
masking or blue painter's tape
Step 1: Take night light apart. Measure; cut some acrylic
I measured the diameter of the LED bulb in the center, and also the inside diameter of the depression, and also the size of the inside of the pop bumper cap. These dimensions are used to cut acrylic spacers for the transition from the lighted base to the pop bumper cap.
I used the laser engraver at the TechShop in San Jose to cut three discs - two are donuts, with a center hole just larger than the LED bulb and outside dimension small enough to fit inside the base. The third disc fits just inside the smallest part of the pop bumper cap. If you don't have access to a laser cutter, you can cut the acrylic with a jig saw or coping saw and clean up the edges.