1000g Euro Design Stainless Steel Balance Weight Set with Wooden Block Glass Columns & Condensers_Air Condensers 5-3V DC for hands-on motor-action

5-3V DC for hands-on motor-action work

and thread

Half-size digestive system model fits smaller class benches while preserving the full esophagus-to-rectum path and accessory organ anatomy in two removable parts

a 50mm double-convex glass lens spanning 300-1000mm focal lengths gives projection-style optics setups a single range-rated element

1000g Euro Design Stainless Steel Balance Weight Set with Wooden Block Glass Columns & Condensers_Air Condensers 5-3V DC for hands-on motor-actionEleven piece European style set scaling 500g down to 1g totals 1000g, stored in a wooden block that keeps stainless steel masses organized, corrosion free, and ready for analytical work.