training aid

American  

noun

1. a device, activity, or media product used to supplement other forms and methods of training.

   They used videos and roleplays as training aids.

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Etymology

Origin of training aid

First recorded in 1830–40

Example Sentences

Whips are used in all equestrian disciplines and when employed as a training aid should be utilised lightly to communicate with the horse.

From BBC

It was a training aid called the SnowFlex air bag.

From Washington Post

Slung across his shoulder was a wooden copy of an AK-47 assault rifle, a training aid given to each volunteer at the camp.

From Reuters

But it’s also a valuable training aid and competition tool that helped Gidey and Cheptegei in their recent assaults on the record books.

From Washington Post

A compact chipping net is a great multi-use training aid.

From Golf Digest