Set of 25 Rocks & Minerals, Cardboard Box Racks & Stands_Pipette & Burette Stands Food-grade peroxide test strips in

Food-grade peroxide test strips in a 50-strip vial calibrated for the 3 to 10 percent concentration range

sized for the positive-rail side of color-coded bench wiring

5V flash-lamp bulbs in student-built circuits and small-scale optics demonstrations

injection pump

Mid-range single-decade resistance box stepping from 100 ohms to 1000 ohms in 100-ohm increments

Set of 25 Rocks & Minerals, Cardboard Box Racks & Stands_Pipette & Burette Stands Food-grade peroxide test strips inSet of 25 Collection of different minerals and rocks collected from different places. Set of 25 Collection of different minerals and rocks collected from different places, supplied in cardboard box. Each specimen labelled with name.