They are called castors
Castors is what they are called. :p
A chair with small wheels is commonly referred to as a "caster chair" or "rolling chair." These chairs typically have wheels attached to their legs, allowing for easy movement and mobility, often used in offices and workspaces. The wheels, or casters, provide convenience for shifting positions without needing to stand up.
Hot Wheels first introduced their small scale cars in 1968. The SP on Hot Wheels Cars refers to spoke wheels.
Casters are small wheels constructed to take on heavy loads of weight. Casters are handy when transporting something a normal person can't usually pick up without assistance.
big wheels because they are good for handling
Many retailers sell lounge chairs, including big-box stores lik Target, Wal-Mart, Kohls, and IKEA. These types of companies sell more affordable versions of lounge chairs, and related items like bean bags.
Around the house, you can find several types of wheels and axles, including those on furniture like rolling chairs and carts, which typically use swivel casters. Toy vehicles often feature small wheels and axles for movement. Appliances like vacuum cleaners and washing machines may have wheels for ease of transportation. Additionally, bicycles and scooters, if present, are common examples of wheels and axles used for personal transportation.
Sleeper chairs are great for small spaces and you can find information about them on sites such as Apartment Therapy. Additional information can be found on other sites that offer sleeper chairs such as Amazon, Ikea and Bassett Furniture.
Small wheels have little rolling friction and helps to move faster in Skates
That is a given.
mice poops ... or really small chairs.
Big wheels of course. They will protect you better from falls over potholes