Comprehensive Basic Electricity Kit, 3-Part Subcategory_Electricity and Circuits Two-hundred-fifty-gram push-pull balance in an

Two-hundred-fifty-gram push-pull balance in an acrylic tubular body

Entry-level two-part human skull model separates the skull cap to reveal the cranial cavity for introductory head-anatomy teaching at secondary and college levels

Four-metal 32mm density cube set with hooks in brass

Fine 40-60 mesh iron filings in a 100-gram sprinkle bottle

Comprehensive Basic Electricity Kit, 3-Part Subcategory_Electricity and Circuits Two-hundred-fifty-gram push-pull balance in anThree part electricity kit with cell holders, bulbs, switches, diodes, rheostats, and connecting leads mounted on 4mm socketed bases for building circuits from 40 plus components.