I am new to collecting these (had them as a kid originally) Just started my adult collection a year and half ago. I know most of the basics (Federal vs Brockway etc..) But I am looking for a check list of variations and maybe their value. Also for the 1976 interactive glasses. Specifically I just bought a Taz without the word Devil on one side. A collector told me about it recently, and I found one pretty quickly... so maybe its not too rare. Also bought a LUN Pepe, Petunia, Taz -- curious what their value is. And I am currently selling a Pepe and Penelope with Perfume on Ebay... I don't collect these but knew they were worth something. Sold one for 139.50 on Ebay and have this one listed at 89.00 (it has a small factory flaw of wavy glass and some light scratches) -- but don't really know the true worth.