Wooden Pipette Rack for 12 Pipettes, Vertical, 14.75" Chemical_Test Strips Hand-driven Newton's color disc that

Hand-driven Newton's color disc that spins seven painted segments fast enough to merge into apparent white through persistence-of-vision and additive color mixing

625 inches in diameter

Bundled with an activity guide

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

Wood-cased direct-vision spectroscope built around a 3-element prism stack

Wooden Pipette Rack for 12 Pipettes, Vertical, 14.75" Chemical_Test Strips Hand-driven Newton's color disc thatUnfinished wood pipette rack holds 12 pipettes vertical in a 14. 75 inch frame for draining, drying, and storage between uses at the laboratory bench.