Playing with 6 lane Scalextric. Of course, having done this, we had to get our own set out when we got home.

Ah! Scalextric! I remember those halcyon early 70's days spending more time getting it set up, using a variety of implements to get the cars to move and discovering the delights of a DC shock than actually racing...
One of the few things about being childless that I rue... a little...