Root Tip Model on Base, 250X Enlarged, 12" Subcategory_Force and Motion supplying a soldering-free unit for

supplying a soldering-free unit for student-built optoelectronic and light-detection circuits

Rectangular casted metal case and polythene insulated lid with finger flap to facilitate removal

sodium benzoate

demonstrating conservation of momentum and energy through ball-to-ball collisions

Corrosion-resistant ten-piece stainless steel slotted mass set totaling 1100 grams across 10 to 500 gram pieces

Root Tip Model on Base, 250X Enlarged, 12" Subcategory_Force and Motion supplying a soldering-free unit forGreatly magnified root tip model on a base exposes the root cap, meristematic zone, and zones of elongation and differentiation for plant growth teaching.