Teaching aid

Definition
‘An object (such as a book, picture, or map) or device (such as a DVD or computer) used by a teacher to enhance or enliven classroom instruction’ (Merriam-Webster, 2019).

References
Merriam-Webster. 2019. Teaching aid. Accessed 11 March 2019: https://www.merriam-webster.com/dictionary/teaching%20aid

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