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Wandering Wands
Source Institutions
In this activity, learners construct wands that play different notes depending on information from light sensors programmed via a PICO Cricket.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-608.jpg?itok=OL19PTIX)
Cup Draw (Low Tech)
Source Institutions
In this activity, learners construct drawing machines using a cup, some markers, and a battery pack. The markers act as "legs" for the machine, making a drawing that records as it moves.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-982.png?itok=lMEF_4Cv)
Electric Cup Guitar
Source Institutions
Make a one-string "guitar" by stringing a cup with some fishing line. You amplify the plucking of the string by placing a piezo contact microphone and mini battery powered amplifier inside the cup.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-607.jpg?itok=yd67oh9r)
Jitterbugs
Source Institutions
In this activity, learners construct bug models that "jitter" all over the table with just a battery, motor, and counterweight.