GOODS & SERVICES
Play-As-You-Learn. A series of educational hobby kits for children was announced by "Industrial America, Inc." of Chicago. Each kit contains materials for assembling models or performing experiments, and was designed by a topflight institution or manufacturer in that field. R.C.A. designed an Electronics Kit, including parts for a two-tube radio and a working miniature transmitter. Other kits deal with geology, weather forecasting, optics. Prices: $14 to $30.
Snagless Slider. A jamproof slide fastener, called "Conmatic." was brought out by Conmar Products Corp. Other jam-proof fasteners on the market have hinged or removable sliders. Conmar, taking a preventive approach, designed a...
