Teaching Frames are 20 photographs with corresponding descriptions that are laminated to a finished size of 16" x 8½" (42.86 cm x 21.59 cm).  The laminated photos can then be inserted back to back into an assembled 10 - 9" (23.18 cm) frames just like a sheet of foundation. Put those frames inside a hive body and you have a complete teaching hive that is easy to transport.