A magnifying glass or a microscope.
When you paint a room, white makes the room appear to be larger. Horizontal stripes also make a room appear larger.
Magnifying glass, microscope, and telescope are tools that make objects appear larger. They use lenses to magnify and focus light to enhance the visibility of small objects.
the purpose is to make things larger thean they appear.
There are cosmetic lenses such as circle lenses that are larger in diameter to our irises. This makes eyes appear larger when wearing these lenses. Other than makeup, I don't know how else to make eyes appear larger.
A magnifying glass is a hand-held instrument used to make an item look larger by magnifying its image when viewed through the lens.
Magnifying glass
Make the price of the item larger than what it cost to actually get them and sell.
Some do and some dont!
Magnifying lenses or mirrors can be used to make objects appear larger by manipulating the way light passes through or reflects off an object, thus increasing its apparent size.
Hand lens.
Hand lens
Patterned wallpaper designs which have a very light color such as white and light yellow will make a small room appear larger. These ideas are backed by organizations such as Home Needs.