PTM-3 mine

The PTM-3 is a Russian scatterable anti-tank mine that can be deployed either by hand, vehicle, artillery, or helicopter. The mine's case is configured to produce a shaped charge effect on five sides.

Once deployed the mine arms itself after sixty seconds. The mine uses a magnetic influence fuze that detonates the mine when a vehicle passes over it. It is also reported to have an anti-handling device which is sensitive to movement.

...
Wikipedia