Full name of the mine is "Protipechotni Mina Naslapna".
Plastic mine with integral fuze mechanism.

Dimensions: 47x91,5x71,5 mm
Explosive: TNT 102 gram
Weight: 171 gram
Activating load 50 – 250 N

*Wooden practice version.

Photos below and right © Milan.

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A black version, made of wood is the training version (follow link).

I have no information on the yellow mine shown below. Can you help?

Mark's overview :