Colorado Revised Statutes Title 18. Criminal Code § 18-5-111. Unlawfully using slugs

(1) A person commits unlawfully using slugs, if:

(2) “Coin machine” means a coin box, turnstile, vending machine, or other mechanical or electronic device or receptacle designed to receive a coin or bill of a certain denomination or token made for the purpose and, in return for the insertion or deposit thereof, to offer, to provide, to assist in providing, or to permit the acquisition of some property or some public or private service.

(3) “Slug” means any object or article which, by virtue of its size, shape, or any other quality, is capable of being inserted, deposited, or otherwise used in a coin machine as an improper but effective substitute for a genuine coin, bill, or token, and of thereby enabling a person to obtain without valid consideration the property or service sold through the machine.

(4) Unlawfully using slugs is a petty offense.