Set of 25 Rocks & Minerals, Cardboard Box Racks & Stands_Pipette & Burette Stands 5V flash-lamp bulbs in student-built

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

Economy steam-heated expansion apparatus on a 27-inch base with three 19

Brass eight-piece slotted mass set totaling 1100 grams from 10 to 500 gram pieces

and amphibian skeletal structure for comparative vertebrate teaching

Set of 25 Rocks & Minerals, Cardboard Box Racks & Stands_Pipette & Burette Stands 5V flash-lamp bulbs in student-builtSet 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.