TY - BOOK TI - DuoVision: 2-in-1 telescope and microscope AV - KIT 522 DUO 2000 PY - 2000/// CY - CA, U. S. A PB - Educational Insights KW - Telescope--KIT KW - Microscope--KIT N1 - Accessories includes: 3 microscope objective lens unit (250x, 150x, 50x)--1 prepared specimen slides--10 specimen covers--1 pair of plastic tweezers ER -