Used to tape a black cat under old plastic models, light the front on fire and push them of the walkway down a garden hill where they would crash and burn for a few seconds before blowing up. :-)
We did that with our GI Joe jeeps. Until we thought of having a line of fire to drive through. The line of fire (gas) caught the side of my buddy’s garage on fire. Luckily we were able to get the garden hose over there pretty quickly without the garage and attached house going up.