"Janitorial Supplies"

Equilateral prisms, made from high quality clear acrylic sheet.

This excellent quality electrostatic generator consists of a charge generation system, an aluminum collector sphere, and an electric motor drive on a sturdy base.

Whiteboard Color Optics are a complete system for investigating color, reflection, and refraction.

Six aluminum replacement leaves for the Electroscope Assembly without Flask.

Unique LED that works with any direction of current.

This kit is a unique teaching tool for introducing students to the chemistry behind plant pigments (the blueberry bio-pigment cyanidin) and how they can be used as pH indicators and fabric dyes.

How Does Mass Affect Transverse Waves?

High precision, quantitative atomic spectra experiment.

Convert the fun stand into an optical bench.

This ray box is ideal for optical demonstrations in the classroom.

This demo features a cathode beam to explain the electromagnetic nature of electrons.

Perfect compliment for a ray box.

Help Your Students Perceive How Light Behaves

This apparatus is used to study the current Vs voltage characteristics of CdS photo-resistor at constant irradiance and to measure the photo-current.

Re-imagine wires and what the purpose of sewing can be with this fantastic DIY kit.

Reliable and User Friendly