Ultimate Wave Form Helix with Wooden Stand, Alternate Model Foodsafe Cork-lined stainless steel safety flask

Cork-lined stainless steel safety flask tongs lock jaws around flask necks to prevent accidental drops during transfer of hot distillation vessels between bench stations

Sixty-five-piece molecular model set with 32 atoms and 33 bonds for demonstrating bonding angles

Hand-cranked to convert mechanical work into electrostatic energy

this 20mm-diameter steel helix carries longitudinal

Spring-loaded heavy-gauge steel projectile launcher with a string-release trigger

Ultimate Wave Form Helix with Wooden Stand, Alternate Model Foodsafe Cork-lined stainless steel safety flaskExtending up to 65 feet from a 20cm closed height on the included wooden stand, this metal helix lets stairwell scale wave propagation experiments amplify the visibility of standing waves.