A synthetic pet chew toy and scent-training aid, resembling desired mushroom species, that is formed of nontoxic, elastomeric materials, and a method for training one or more dogs to detect desirable fungi species, terrestrial or subterranean, using the toy as a scent-training aid. The toy can be formed with a hollow interior and with a plurality of small holes opening in the top and/or sides of the toy to form channels for scent dispersal to the ambient air. A threaded, opening at the base of the toy, into which a removable, threaded plug can be inserted, allows the hollow chamber to be filled with dried mushrooms, fresh mushrooms, or sponge/foam/cotton fiber soaked in mushroom extract, for use as a dog scent-training aid to locate wild-growing fungi. The pet chew toy can be filled with food treats or catnip for scent-related games like "hide and seek", or bells for auditory enticement.

 
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