Reusable gel packs. These are cold therapy packs which contain a form of gel and are kept in the freezer until required. They are reusable and in many cases can also be heated either in very hot water or a microwave to offer warm therapy instead.
A clown car is a prop in a circus clown routine. A common example of such a routine involves an implausibly large number of clowns emerging from a very small car, to humorous effect.
The most recognisable modern clown character is the Auguste or red clown type, with are outlandish costumes featuring distinctive makeup, colourful wigs, exaggerated footwear, and colourful clothing. Their entertainment style is generally designed to entertain large audiences, especially at a distance.