Micro Bunsen Burner with Needle Valve and Flame Stabilizer, Natural Gas Subcategory_Electromagnetism Fine 40-60 mesh iron filings

Fine 40-60 mesh iron filings in a 100-gram sprinkle bottle

dual bore sights

Aluminum-handled collecting net swings lightweight through tall grass and air sweeps for classroom field trips and introductory entomology sampling work

Triple tandem plastic pulley with 25/38/50mm ball-bearing wheels on an open-sided 17

supporting three-rope compound arrangements for advanced mechanical-advantage investigations

Micro Bunsen Burner with Needle Valve and Flame Stabilizer, Natural Gas Subcategory_Electromagnetism Fine 40-60 mesh iron filingsNeedle valve and flame stabilizer add precision control to this nickel plated micro Bunsen burner running on natural gas for small flame work.