Here is the listing for the bead cores on ebay, I bought them from the seller 8 Seasons so if this listing is sold you can find it again: ...
by The Tricks
by Jenny W Chan - OrigamiTree.com
by Florencia Vallejo
by Potomac Bead Company
by papermodels93
by ThePaperPassion
by Hectanooga1 - Crochet, Knitting,