LPG Bunsen Burner with Flame Stabilizer and Zinc Alloy Base Mechanics_Kinematics the 90-45-45-degree faces redirecting light

the 90-45-45-degree faces redirecting light through right angles for total internal reflection and image-inversion demos

Pan balance demonstration lever with a low-friction brass pivot

aluminum displacement vessel

PNP transistor on a transparent base with 4mm color-coded sockets and a printed circuit diagram

Compares liquid-expansion rates by suspending five removable glass bulbs-and-tubes in a shared heated water trough

LPG Bunsen Burner with Flame Stabilizer and Zinc Alloy Base Mechanics_Kinematics the 90-45-45-degree faces redirecting lightDie cast zinc alloy base and integrated flame stabilizer add stability to this liquid propane Bunsen burner for consistent chemistry heating.