Deluxe Optics Kit with Ray Box, 29 Components Physics_Heat & Thermodynamics Used to read the microampere-scale

Used to read the microampere-scale currents found in photodiode and transistor-bias circuits

Six-pack of polished stainless steel spatula-scoops with one rounded end and one pointed end

Fifteen-times enlarged molar shows progressive caries decay through enamel and dentin into the pulp chamber

Rotary-knob resistance substitution board offering twelve discrete values from 33 ohms to 10M ohms with 4mm lead connections

Deluxe Optics Kit with Ray Box, 29 Components Physics_Heat & Thermodynamics Used to read the microampere-scalePairing a hinged mirror ray box with lenses, prisms, mirrors, filters, and slit plates, this deluxe optics kit covers reflection, refraction, dispersion, and color mixing activities.