Thank you for viewing. This is a set of 15 Excellent brand original artificial pupal chambers for stag beetle breeding (6 new and unused, 9 used). Do you ever accidentally dig up a pupa when changing the mushroom bottles? These are very convenient for such situations. Some have been used, so please refrain from purchasing if you are concerned about minor scratches. Image description: ① All items ② New and unused items ③ Used items ④ Usage example * (Pupa is a Regius beetle, approx. 70mm) Thank you.