This Avalon Magic Plants McKennaii mushroom grow set is the easiest way to grow your own McKennaii magic mushrooms. This mycelium grow set contains the mycelium of the Psilocybe cubensis 'McKennaii' strain. The McKennaii mycelium is colonized on a substrate of rye and perlite. The top layer is covered with vermiculite.There are no paperclips in the boxes.StorageThese kits are fresh so you need to set them up right away. Have fun growing your own McKennaii shrooms! We do NOT ship this product to the following countries: UK/GB, USA, Australia, Lithuania, Latvia, Poland, Croatia (Hrvatska), Mauritius, Reunion Island, South Africa, Mexico, Japan, Canada, Brazil, Portugal, Estonia, Switzerland, New Zealand. If in doubt, please contact us and we will inform you if we will ship this amazing magic mushrooms grow set to you!!!