Round Bottom Narrow Neck Florence Borosilicate Glass Boiling Flask with Beaded Rim Capacity:2000mL Hand-painted volcanic system model on

Hand-painted volcanic system model on a 75 by 100 cm wall-mountable backboard

Identical dimensions to the transmitter

Seventy-eight-piece molecular model set with 45 atoms and 33 bonds for building basic organic and inorganic structures

Screw-adjustable variable induction coil with enameled wire winding and 11

sized so a class can watch gas bubbles rise off each electrode in real time during electrolysis demos

Round Bottom Narrow Neck Florence Borosilicate Glass Boiling Flask with Beaded Rim Capacity:2000mL Hand-painted volcanic system model onBeaded rim reinforces large volume Florence flask against chipping during stoppering, with a narrow neck that minimizes evaporative loss during extended heating.