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Table Saw Class
Your First Experiments
Electronics Crash Course
LEDs & Lights Tools and Materials
Tools and Materials for Arduino
LEDs and Lighting Class
Can you replace the batteries. Instead of one magnet at each end can I use two 0.5 inch magnets on each end. I have thin magnets. Using them will save me from purchasing more. She who must be obeyed is also Scrooge.
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