I have spent a bunch of time today looking for this discontinued Brainstring R puzzle. Wondering if there might be sites selling a used one? Tried EBay, Etsy, Amazon. Posting here to
Brainstring “R” - Recent Toys
Brain String Puzzle 3-Pack - New! - toys & games - by owner - sale - craigslist
🆕3 Brainstring Original 🔥 R 🔥 & Advanced 🔥Brainteaser Knot By Recent Toys 🎁 | eBay
Brainstring”R” Puzzle – PuzzleManiac
Brainstring 'R' | Oskar van Deventer | Puzzle Master Inc