SHOW FILTER (33)
Bird Call
New
Out stock

The Audubon bird call is a simple machine used to imitate and attract many bird species. The bird call’s sound is produced by rotating the birchwood cylinder against the cast zinc plug. By varying the pressure between the two surfaces...

$8.50
LED Ultraviolet Flashlight
New
Out stock

These small ultraviolet flashlights are very convenient for identifying rocks, hunting for scorpions, or just trying to find where your dog or cat peed in the house. Longwave UV (UVA)Wavelength: 315–400nmPhoton energy: 3.1–3.94 eV Runs on 3 AAA batteries (not...

$7.00
Beam Splitter
New
Out stock

A beam splitter is a high-precision tool used in experimental laboratories. It is a glass cube made of several lab-grade glass prisms with special optical filtering coatings. This type is also called an x-cube. A beam splitter’s purpose is to...

$18.00
Invisible Ultraviolet Marker
New
Out stock

Write messages that only appear under UV light.  

$2.00
Solar Lighter
New
Out stock

A simple but useful tool to keep on hand for lighting fires. Experiment at home, take it with you camping or keep it with you for emergencies.    Only use under adult supervision. Use with caution and always have a plan...

$4.00
Handheld Wire Saw
New
Out stock

This saw can easily cut through wood without a rigid or sharp blade. Instead of using sharp teeth, this wire saw cuts using the abrasion of the wound steel wire. This makes it safe for anyone to use and simple...

$3.50
Compressed Towel Tablets
New
Out stock

Compressed at 70,000psi, these tablets will expand into wash cloths in seconds with just a few drops of water. The towels are made of a 100% natural material called rayon, which is created by dissolving wood pulp, extruding it into...

$2.00
Humidity Indicator Card
New
Out stock

This humidity indicator card is a useful tool to help protect sensitive items from exposure to too much moisture in the air. It works by taking advantage of the color-changing properties of the chemical cobalt dichloride (CoCl2). When dry, or...

$2.00
Pulse Oximeter
New
Out stock

A pulse oximeter is a clever tool used to measure a person’s blood oxygen saturation (SpO2) and pulse rate.   Within your body, inside each red blood cell exists around 270 million hemoglobin proteins that transport oxygen molecules from your...

$24.00
Golden Ratio Caliper
New
Out stock

The Golden Ratio is a universal mathematical constant, much like e or π. It is approximately equal to 1.618 and represented by the Greek letter Phi (φ). It has been extensively studied by mathematicians and used by architects and artists...

$24.00
Specimen Collection Box
New
Out stock

Sometimes plastic is the perfect material. This specimen collection box is an example. When you're out collecting samples of rocks or organic materials, you want something compact, durable, lightweight, and reusable. This collection box is divided into 10 compartments and features a robust...

$3.50
Specimen Jars with Lids
New
Out stock

These clear, straight-sided, wide-mouth jars are our favorite for storing all sorts of lab specimens and materials. They are made of durable flint glass and include white metal lids (except for the 2 oz which has a gold metal lid) with...

$2.00
Folding Scissors
New
Out stock

These folding scissors are highly compact which makes them easily portable. You would think that would be the primary feature, but honestly they cut surprisingly well too. They are stainless steel, which is non-corrosive, and despite their many pivot points...

$3.00
Laboratory Tuning Fork - 512hz
New
Out stock

Tuning forks are fascinating, simple tools that don’t get quite enough appreciation. Striking a prong against a hard surface causes the fork to hum in a specific pure frequency. This frequency is calibrated based on the fork material and size....

$9.50
Digital Anemometer
New
Out stock

An anemometer is a tool used to measure wind speed. The name comes from the Greek word for wind, anemos. There are many different tools to measure wind speed, from complex (acoustic, ultrasonic, laser Doppler, and pitot tubes) to very...

$24.00
LED Penlight
New
Out stock

The small flashlight not only does its illuminating job exceedingly well, it is also surprisingly durable. We've had a few of these tumbling around the workshop and outdoors for over a year now and they still work good as new....

$7.00
Streak Plates
New
Out stock

Streak plates are a specialty tool used by geologists to help identify rocks. In the process of mineral identification, determining the streak color is a simple step that can help differentiate between various types. To use, simply scratch a rock...

$4.00
Industrial Suction Cup
New
Out stock

Buy 1, get 1 free with the code 2cups. A suction cup is a common object that most people never put much thought into, but they are fascinating in their simplicity. When suctioned to a smooth, non-porous surface, the internal...

$18.00
Telescopic Inspection Mirror
New
Out stock

This telescoping mirror comes in handy when peering into tight spaces, getting a look at the backside of an object, or reflecting a beam of light around a corner. The all-metal construction is durable and the glass mirror is scratch...

$4.75
Brass Ruler
New
Out stock

If you regularly measure lengths up to 6", you'll want a high quality tool. This brass ruler is one of the best we've ever used. It features Inches as well as metric scales and a hole for hanging on your...

$8.50
Small Precision Scale
New
Out stock

This scale is made for measuring very precise amounts, with an accuracy of one-tenth of one gram (0.0035 oz). Measurements of mass this precise are accomplished using a clever electronic component called a strain gauge—an array of very fine wiring...

$12.00
Pupil Gauge Penlight
New
Out stock

A pupil gauge is designed to assess pupillary response using the pupillary diameter guide printed on its side. The pupil is the dark circle in the center of the eye through which vision is achieved. Pupillary response is an involuntary...

$3.00
Recyclable Bamboo Swabs
New
Out stock