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

Hand microtome produces thin specimen sections for microscope slide preparation in botany

constant-bore gradient tube

Demonstrates that fluid pressure transmits equally regardless of vessel shape through a Pascal's-law kit of four plastic vessels with leak-proof metallic collars and a weight-loaded balance pan

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.