An excellent introductory kit that allows you to explore circuitry, electronics, and soldering all while completing a fun experiment that yields a small flashing LED, programmed by the circuit you've just built!
This kit is an economical introduction to solar cells / photovoltaics (PV), DC motors and how fans work. Included are: solar cell, high-efficiency DC motor, two fan propellers, AA battery holder and on/of switch.
Write secret messages to your friends in the know, keep diary entries safe from prying eyes with light-coded messages, and leave invisible tags in school notebooks with this handy and affordable invisible ink pen!
This small electronics project box measures 6" x 3.5" x 2.25" and can be used to hold parts and components for electronics hobby and professional projects; buy a few and have a neat storage space for all your different supplies. Includes 6 screws (2 are extra) for securing the box lid.
Ferrofluid is an astonishing liquid that reacts in strange and unexpected ways to the influence of a magnetic field; using included magnets, you can spike, toss, drop, and pull the strange, smooth substance
This sensor plugs directly into your PC USB port and can measure and log temperature using an external water-proof probe. Great for science projects where temperature vs time data is required. Also perfect for manufacturing, industrial and PC applications.
4 decks of 52 playing cards containing handy general wilderness survival tips as well as information on surviving off of edible plants in the outdoors, and dealing with dangerous creatures whether on land or sea
A fully functional stirling engine model operates solely from the power provided by the heat of the surface on which it is placed, meaning it works especially well placed over the rim of a piping-hot mug of coffee
Made with micron-sized, iron-based particles distributed throughout, the astonishing, moldable Magnetic Thinking Putty takes on the properties of a magnet itself when placed in close contact with the included magnet.
A naturally sculpted copper specimen taken directly from the Earth - each piece is totally unique in shape and bears a brilliant reddish-golden-brown coloration - makes a great gift or stocking stuffer!
A fully assembled, handsome and high-quality stirling engine - demonstrates properties of thermodynamics as heat energy is converted to mechanical/electrical energy - excellent for classroom demonstrations
Using this kit and the materials contained within, students will study the interaction between iron filings and a magnetic field sphere with a magnet embedded in its center, and relate their findings to the properties and function of the earth's magnetic field
This hand-held spectroscope is excellent for quantitative examination of white light and radiant bodies' spectral composition. It consists of a telescoping metal tube 0.75? (20 mm) in diameter with an adjustable slit at one end.