Yes mrsD, sometimes when they are rushing about like mad things they will land on the chessboard with a thump, scattering the pieces far and wide. <Sigh>.

In the last week or so they have both decided that sleeping on this laptop is a good plan. Sometimes they turn it off because they are on top of the CPU cooling vent. Other times they manage to disconnect my in-house WiFi network, other times they manage to open random applications - Word and Excel seem to be their favourites. <Mutters>.