73165269
Apr 6, 1978
Sep 18, 1979
SCIENCE EXPERIMENT KITS COMPRISING AN EXPERIMENT LAB CONSISTING OF CUSTOM PLASTIC MOLDED PARTS, WITH ASSORTED OTHER COMPONENTS SUCH AS MOTORS, SHAFTS, SCREWS, BOLTS, SPRINGS, AND AN EXTENSIVE INSTRUCTION MANUAL EXPLAINING IN DETAIL THE USE AND FUNCTION OF THE INDIVIDUAL COMPONENTS AS WELL AS HOW THEY FUNCTION WHEN ASSEMBLED AS SHOWN IN THE MANUAL
Electrical and Scientific Apparatus