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Praying Mantis Eats Dubia Roach
mathboy1212
63 views
My buddy Mark caught a Praying mantis a couple of days ago and called me for something to keep it in and some my bugs for feeding my bearded dragons. I gave him a little m...
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Servo used for actuator
mathboy1212
17 views
I used a servo and drawer slider for use in a robot arm.
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Molly does math
mathboy1212
19 views
Molly does flashcards on study blue. Addition and subtraction up to 6.
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PVC T-shirt Cannon
mathboy1212
134 views
This is my t-shirt cannon. $100 after decorations. If I were to make another, I would use a sprinkler valve and make both the barrel and the compression chamber smaller.
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Homemade motor
mathboy1212
23 views
A copper wire motor with a D battery and paperclips.
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Homemade pipe organ
mathboy1212
7,489 views
This is my homemade pipe organ out of PVC and clothes pins. It is slightly out of tune but the notes are recognizable.
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Molly gets an email from Santa
mathboy1212
28 views
Molly gets an email from Santa.
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Jeffery sings
mathboy1212
11 views
Jeff sings my little run away.
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Water Rocket.mov
mathboy1212
44 views
This is the test of my water rocket launcher. The plans are pretty simple, but took a lot of initial planning.
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Floating Arm Trebuchet
mathboy1212
1,835 views
Here is my floating arm trebuchet made from popsicle sticks. My daughter Molly is firing it. I have not not tried it outside yet, so I don't know how far it will fire, bu...
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