Without being there to look over your shoulder, it's a little hard to say
exactly what is wrong, but some possibilities are that the wire is too
small, or improperly stripped, or there are not enough turns of it, or you
need more current, for example a lantern battery might work better for
you than a D battery.
Please let us know what you do next and what results you get from it.
Nina Thayer
Snacktalk Moderator
Exploratorium
3601 Lyon Street
San Francisco, CA 94123-1099
nthayer@exploratorium.edu
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