Show them a two minute demo of Scratch on a laptop. http://scratch.mit.edu/ Even better if you have a pico projector. Even better if you run scratch on RaspberryPi or a PCduino. Show them a micro-robot Show them magnet tricks. =3D=3D two magnets that can=92t be pulled apart but can be slid apart. =3D=3D magnetic levitation. Show them helium/hydrogen voice. Show them sulfur hexafluoride voice. https://www.youtube.com/watch?v=3Dvc= VMjGRzDz8 If I can provide some help in getting you prepared , let me know. Gus in Denver On 2015m02d05, at 18:28, Denny Esterline wrote: So I think this falls under "everything engineering" feel free to flog me with a wet noodle if you disagree. So I've been invited to speak at my sons career day... So I get about fifteen minutes to wow about 30 six year olds. Now, I know we're the type of people that can get excited discussing the arcane details of processor instruction sets. Somehow I can't see a room of six year old sharing my enthusiasm. :-) I'd rather not revert to a Jacobs ladder to get their attention, but I will if I have to. I have about a month to prepare, minimal budget and an "above average" junk box. Thoughts? -Denny --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .