S.D. Codified Laws § 42-10-1

An amusement ride is any mechanical device which carries or conveys passengers along, around, or over a fixed or restricted route or course for the purpose of giving its passengers amusement, pleasure, thrills, or excitement. The term, amusement ride, does not include slides, playground equipment, coin-operated devices, or conveyances which operate directly on the ground or on the surface or pavement directly on the ground or the operation of amusement devices of a permanent nature which are not moved from one location to another more than one time per year or which are insured to operate in only one fixed location.