…and balls, and squares, and hearts, and stars! If you want to build your own amazing MQTT enabled duck, I spotted these LED lights in Homebase at the weekend which might be worth a try at £2.50 each:
No good if you want the full team of ducks but they look like they’d make decent ambient objects. I seem to have a collection of half finished projects already so I didn’t buy one… this time!
Notes from a small field 
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B&Q also have a similar range of these as well – albeit without the ducks.
I’ve bought a dozen or so to put on the shelf until I find the time to use them…. my original source, from M&S, disappeared before I got around to stocking up.
Spotted these today at homebase, reduced to 79p!
Now to work out how to get inside them….