Combined Funnel and Burette Wooden Stand Science at Home_Earth Science Spring-loaded heavy-gauge steel projectile launcher

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

Twelve-ball drilled set in a foam-lined plastic case with two each of aluminum

illustrating molecular symmetry and bonding geometry

restoring charge transport after normal belt wear

Built to grip round flasks and condensers during distillation or reflux

Combined Funnel and Burette Wooden Stand Science at Home_Earth Science Spring-loaded heavy-gauge steel projectile launcherCombining filtration and titration on one base, this polished hardwood funnel and burette stand adjusts height up to 18 inches for consolidated benchtop chemistry workflows.