Each Trees of the United States Kit includes 60 leaf Repliplants  --  replicas representing 52 species of trees east of the Rockies.  Background sheets including ink prints of the replicas and named species for easy identification.  Replicas are made from young or slightly smaller than normal specimens.  The molds are made from an actual sample found in the field.  Each sample is carefully preserved to be made into this high quality replica. Each replica is lead and phthalate free and is designed to be used and re-used again for all types of outdoor adventures without disturbing the local habitat.