This week’s featured item from the Orbiting Frog Shop comes from the Astronomy section. Coasters depicting the relative sizes of the planets let you see how your cups and mugs fit into the Solar System.

My Tippex comes in at about a Neptune whilst my mug is a Venus or a Jupiter depending on which of the two coasters I’m using. These coasters are available for $5.49 (£2.30 approx) each plus postage. They come in terrestrial and gas giant varieties.

I’ve had reports that in the US they deliver very quickly. It seems to take a couple of weeks to get the UK, but it isn’t very expensive. Also new this week are the Newton’s Force of Attraction tops and the WOW signal t-shirts.

That’s this week’s self-promotion done with.