I saw this Lego cake on Pinterest and I thought “How simple is that!” It is a great idea for a birthday cake but I don’t think a sixty year old would appreciate it! Then again, he does have a great sense of humour.
The image is from here. The knobs on the top of the cake are actually marshmallows.
Gippsland Granny 
Very creative. I hope he likes it 🙂