5-Piece Giant Wooden Clothespins for Crafting, 10.5 inch Racks & Stands_Funnel Stands this concave glass mirror at

this concave glass mirror at 100mm focal length runs at f/1 for vivid real-image demos and converging-reflection work

Shows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand-painted removable parts designed with medical-professional input

well-suited for water-displacement and calorimetry work with an included inquiry-based instruction manual

and prism table for measuring wavelengths and the refractive indices of solids and liquids

Includes kidneys

5-Piece Giant Wooden Clothespins for Crafting, 10.5 inch Racks & Stands_Funnel Stands this concave glass mirror atTen and a half inch giant wooden clothespins ship as a 5 piece set for larger decorative crafting, hanging displays, and classroom projects.