My wife found a nice Dremel kit, something like 100 pieces for 79 bucks at Aldi.
Might be good for sanding balsa, but I wouldn't try replacing a real Dremel with that. 1.5 volts?
Then there's this line of dollar store finds...
https://www.rocketryforum.com/threads/halloween-flying-saucer-model-for-little-over-a-dollar.70788/
Chem lights for night launches
At both Dollar Tree and Family Dollar stores I've seen these small "flashing LED Wands". I think they are made for pedestrians walking at night to carry to increase visibility. they have several LED of different colors, are powered by 3 LR44 batteries, and have a button that when pressed turns them on and changes the "mode" of the LEDS flashing. If you had a rocket with a clear payload bay, you might be able to place one of these inside. Also I think you can probably pry one open and just remove the PCB to reduce weight significantly. The PCB appears to be long thin and small. The LEDS appear to be flat surface mount components. The chip that controls it all is just a small surface mounted white lump. So, if you could snip off the battery tabs and just solder some tiny wires to the battery and switch contacts, you might even be able to mount the boards on the outer surface of a rocket.
https://www.dollartree.com/battery-operated-flashing-led-wands-8-in/206527
omething that I found is that those are sensitive to moisture (I used to put those on my bike). A coating of a clear nail polish on the PCB should seal it up well enough though.
You're finding them at both Dollar Tree and Family Dollar because DT owns FD.At both Dollar Tree and Family Dollar stores I've seen these small "flashing LED Wands". I think they are made for pedestrians walking at night to carry to increase visibility. they have several LED of different colors, are powered by 3 LR44 batteries, and have a button that when pressed turns them on and changes the "mode" of the LEDS flashing. If you had a rocket with a clear payload bay, you might be able to place one of these inside. Also I think you can probably pry one open and just remove the PCB to reduce weight significantly. The PCB appears to be long thin and small. The LEDS appear to be flat surface mount components. The chip that controls it all is just a small surface mounted white lump. So, if you could snip off the battery tabs and just solder some tiny wires to the battery and switch contacts, you might even be able to mount the boards on the outer surface of a rocket.
https://www.dollartree.com/battery-operated-flashing-led-wands-8-in/206527
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