Disposable cameras were an invention of Fuji and Kodak in the mid 1980s. Disposable cameras will always be great gifts, because not everyone has a digital camera. This is common among disposable cameras on the market. You can get both digital and film disposable cameras. Disposable cameras are discarded after the film has been removed.
Your guests can leave the cameras at their table or drop them in a basket or other labeled container near the entrance to the reception site. This is kind of similar to cameras. Disposable cameras are called disposable for a reason. Prices will quickly fall as vendors compete for market share.
These types of cameras do not have film inside of the casing and use digital technology to take pictures. Of course this is like a disposable underwater cameras. With a disposable digital camera, you get a flash, a timer, and a viewing monitor (depending on the model you buy). For this reason if you take a couple pictures, you cannot go back and erase the first or second one.