Hand-Crank Van de Graaff Generator, 100,000V Biology controllable flame shape during laboratory

controllable flame shape during laboratory heating

and wood for multi-material pendulum

and raised-graduated for shatterproof bench use

Diamond lattice kit with 39 carbon atoms and 60 connectors for building the tetrahedral covalent network that gives diamond its exceptional hardness and optical properties

this 2-pack of 20oz Griffin-shape borosilicate beakers adds a pouring spout for everyday home use

Hand-Crank Van de Graaff Generator, 100,000V Biology controllable flame shape during laboratoryHand cranked to convert mechanical work into electrostatic energy, this Van de Graaff generator delivers spark producing high voltage demonstrations in the physics classroom.