US$ 337.50
Four-times enlarged premium ear model with five separable sections exposes detailed outer
Student kit for constructing a working DC motor from component parts
Glass convex mirror at 100mm diameter and 150mm focal length
this six-metal density cube set of brass
supporting detailed cardiac anatomy coursework
Educational Diffraction Slide Heat & Thermodynamics_Pressure & Gas Laws Four-times enlarged premium ear modelDiffraction grating mounted on a 90 x 40mm card slide, lets students compare how line density per unit length controls the spacing of the resulting interference pattern.
US$ 337.50
US$ 387.50
US$ 337.50
US$ 197.50
US$ 362.50
US$ 644.00