Rub it in why don't you?

This was to be "it".
Since then I appear to have come of age. 
A certain La B has, since we met, sent me thoroughly enjoyable, but kiddywink orientated Christmas and birthday presents; amongst which is a Landrover based Fire engine and a fully functional, see-through "Infernal Combustion engine" which even fires in the prescribed order.
This lunch-time there was a rantan on the door and I was presented with a cardboard cube about 12-14" on a side. The extras comprise the contents thereof. 
If Buddhists are vegetarian, how did this wee fella get so chubby?
The Bonsai photo is a Greetings card.
Just so's I have a record it's a Serissa.