Looks like a theramin. http://www.youtube.com/watch?v=w5qf9O6c20o
I’ve been reading Peanuts for 40 years, and I do not remember this story line at all. Perfect resolution!
My wife was on Romper Room, and it is a running joke with us.
Looks like a theramin. http://www.youtube.com/watch?v=w5qf9O6c20o