Hello all i remember my parents using these & us kids thought it was fun heres my u tube how to video https://www.youtube.com/edit?o=U&video_id=-wQSl0dHQ8E hope this helps & if you want one check with me i have a few send PMI've always wondered if these worked well. They seem to be on the cheap and, not much interest now.
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Hello all i remember my parents using these & us kids thought it was fun heres my u tube how to video https://www.youtube.com/edit?o=U&video_id=-wQSl0dHQ8E hope this helps & if you want one check with me i have a few send PM