Half-Life Analogue Demonstration Apparatus Lab Equipment and Supplies_Racks & Stands Twelve-place hardwood test tube rack

Twelve-place hardwood test tube rack combining ten 19-mm holes and two 25-mm holes with twelve draining pins for mixed-size storage and inverted drying on the bench

Standard rheostat at 280 ohms and 1

Cross-sectional 3D monocot stem model on a mounted base exposes scattered vascular bundles

5V DC fan motor with a blue plastic blade on a 3

Half-Life Analogue Demonstration Apparatus Lab Equipment and Supplies_Racks & Stands Twelve-place hardwood test tube rackRadioactive decay simulation with ten trays and 500 six sided cubes that roll to represent nucleus decay, letting students plot half life curves from their counted results.