Hah! Looks like LED “Art Object” is the new LED throwie!
Kit consisting of a small 3V BR2032 Lithium battery, a 10mm clear lens blinking red LED and a small rare earth super magnet. No soldering necessary -Just connect up the LED to the leads of the battery. Use clear tape (not included) to attach the super magnet to the battery. You are now ready to throw your miniature bright red “piece of art” onto any steel structure where it will flash for days. Complete with magnet, LED, battery and diagram.
More: HOW TO – Make LED Throwies.
Make – Volume 06 – LED Throwies (Page 116).