Man makes pretty detailed models from modelling clay (plastiline), mostly tanks and warships, sometimes with motors and working guns, and then destroys them with fireworks and flammable liquids

In Russian, but may be enjoyable without commentary.

https://youtube.com/watch?v=K6xonlLQQdQ

https://youtube.com/watch?v=J245MO5Xw-0

https://youtube.com/watch?v=LNpT-DFZPN8

https://youtube.com/watch?v=9T2XAkYQ8dg

https://www.youtube.com/channel/UCceRF31v3FVVdWowf2knB9A/videos