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Build a Bubble Circuit
Source Institutions
In this engineering design challenge, learners make a bubble maze that allows bubbles to move through a series of “on” and “off” switches.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-837.png?itok=PnDs4b-z)
Making a Battery from a Potato
Source Institutions
In this electrochemistry activity, young learners and adult helpers create a battery from a potato to run a clock.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-847.png?itok=Rfr720WB)
Circuit Bending with Play-Doh
Source Institutions
Break open that used musical toy and squish some Play-Doh over the circuit boards, and you will hear some weird and distorted sounds the manufacturer never intended!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-336.png?itok=2cQHulSq)
Carrying Charges: Testing for Conductivity
Source Institutions
Learners are challenged to create solutions that conduct electricity and make a buzzer buzz (or an LED light up).