this is a very simple light effect for a yo-yo that can be glued or taped on.
Step 1: Materials
for this project, you will need normal desk tape (or duct tape, whatever will hold it on) you can also use epoxy or other glue.
battery (i used a 3 volt button battery)
Step 2: Putting It Together
attach the switch if you have one.
Wire it to the battery.
Tape or glue it to the yo-yo.
And your done!
In the dark, your yo-yo will make a spiral shaped light.
here's my yo-yo in mid spin.