Trampoline

This demonstrates the fundamental difference between an expense and an investment.
That thing takes up half of my suburban back garden but I still regard it as a most worthwhile investment.
Luca spends hours on it, and his 1 year old sister is becoming a major fan already.
Tried to experiment with a different kind of angle. It turned out to be a disaster as Luca landed with both feet on my unsuspecting right testicle, a nano-second after I had pressed on the shutter release button.
If pictures could record pain (not in front of the lens but behind), the following one would have been a money-maker...