Category Archives: Teaching and Learning

Nice build for a Trebuchet

Nice build for a small Trebuchet you can make with kids. The author includes the SVG file you can use for laser cutting out the parts, or convert to a standard CNC. https://www.instructables.com/id/Laser-Cut-Trebuchet/

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A nice simple guide to start out with CNC

This one basically involves an etch-a-sketch that you use with motors to draw.  Interesting starting point for CNC. The Complete Beginner’s Guide To Building A CNC Machine

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Simple Wind Turbine Build

This is a simple build to show a way to generate power from wind.  Cheap build too. https://www.instructables.com/id/DIY-Water-Bottle-Wind-Turbine/

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Make a pinball machine with a penboard

Cool idea, modular too. https://makershare.com/projects/mechanical-pinball

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Make your own vacuum cleaner

I had to laugh at this one.  Pretty simple build and concept.  Not so sure how practical it is but could be a good experiment to do with kids. https://www.instructables.com/id/How-to-Make-Vacuum-Cleaner-2/

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Using a microbit to control halloween lights

Good build for working with kids.  Micro:bits are small easy to program microcontrollers for beginners.  They make arduino’s seem hard to use. https://www.instructables.com/id/Halloween-Microbit/

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Make a simple Brushless DC motor

Good way to teach kids motors using some cheap materials. https://www.instructables.com/id/Brushless-DC-Motor/

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Make a solar balloon..or buy one for $20

This is pretty cool build, the author uses garbage bags but apparently you can get a kit now these days to do it.  Me…I think I would buy the kit. https://www.instructables.com/id/Ten-Meters-DIY-Solar-Balloon/ kit https://www.amazon.com/TEDCO-Tedcotoys-Activity-50-foot-Balloon/dp/B00LW7WGRK/ref=as_li_ss_tl?ie=UTF8&qid=1538489093&sr=8-2&keywords=Solar+balloons&dpID=51hrZ0Yx1YL&preST=_SX300_QL70_&dpSrc=srch&linkCode=sl1&tag=inst0af-20&linkId=71fdae7d442355e16ca96398fc64eb29&language=en_US

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Nice arduino robot build

This is a water boat build, it would be a great project to do with kids. https://www.instructables.com/id/Waterbot-Arduino-Robot-Boat/

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making a vortex fountain

OK this was pretty cool build.  I am not 100% sure what is going on to make the build, but it looks nice. https://www.instructables.com/id/Vortex-Fountain/

Posted in Cheap, Teaching and Learning, water | Comments Off on making a vortex fountain