Alnico Bar Magnet, 4 x 1.5" Heat & Thermodynamics_Pressure & Gas Laws Greatly magnified transverse dicot stem

Greatly magnified transverse dicot stem model on a mounted base exposes vascular bundle arrangement and primary tissue layers for advanced botany teaching

Matte-black metal body 20mm in internal diameter and 22mm deep on a bench rod

Life-size heart model opens into two halves to expose four chambers

Thermometer-specific clamp with an integrated boss head

Alnico Bar Magnet, 4 x 1.5" Heat & Thermodynamics_Pressure & Gas Laws Greatly magnified transverse dicot stemHeavy duty cardboard storage carries this 4 x 1. 5 inch Alnico bar pair with steel keepers, the largest of the chrome and Alnico bar series for full class field line demonstrations.