| Brand | Blak-Ray |
|---|---|
| Country/Region of Manufacture | Unknown |
Check the listing for details. Blak-Ray UV Fluorescent Chalk and Crayons, Vintage. Condition: Used. Listed at 13.00 USD. My brother and I played with these as kids. We had a big UV light to make the stuff glow. I hate to throw things out. If you feel the Item needs more parts to operate or be complete, then DO NOT buy the item.
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