More self-indulgent trossachs

I dearly love the perfect present. I dearly love those occasions when you see something on a shelf in a shop and it whispers to you “I’m David’s” and you just have to buy it and give it to David even if you haven’t seen David for ages and he lives on the other side of the country. Well, I don’t know any Davids, but I did see some rather nifty doodads in a shop about six weeks ago and I was finally able to unite them with their natural owner on Wednesday. I thought they were blue ones, but they may have been yellow. Or blue. See what you think. This is what he does with them