3x magnification 2" diameter 4 3/4" focal length These are lab quality magnifiers. They have a chrome plated metal frame with Bakelite handle. Shipped in frustration free cardboard packaging.

40cm-diameter, extra thick, machined aluminum tabletop Easy assembly Specially designed so your pulleys won’t wobble Includes a sturdy support rod and heavy tripod base A great, quick quantitative demonstration or lab activity This feature-packed Precision Force Table is the classroom…

Sexless Human Torso, 17 Part This 17 part sexless life-size human torso is appropriate for use in any classroom.  This classic torso shows the major body systems in detail and are numbered, which can be identified using the accompanying key card.  The head is opened, exposing one half…

Stem Column – Dicotyledon Mounted on a base, this enlarged model is easy to use.  Vivid colors are shown for easy identification of the different plant structures. Stem Model – Dicotyledon Modeled after a sunflower, this one year dicot stem gives anatomy in…

Muscular Figure, 20cm Roughly 1/10 natural size, this model shows the superficial muscles of the human body. Non-detachable and mounted on a 2.5” x 4.5” base. Muscular Figure, 50cm Roughly 1/4 natural size, this model shows the superficial muscles of the human body.…

Red LED 5 mm standard high quality with diffused lens. Maximum voltage 3.0 V D.C. PCB or panel mount. Pack of 10 Eisco Labs Red LED 5 mm standard high quality with diffused lens. Maximum voltage 3.0 V D.C. PCB or panel mount. Pack of 10

Developed by teachers, this kit aids students in understanding the principles of recombinant DNA technology. It consists of teacher demonstration models and student manipulative sets, sufficient for a classroom of thirty students. Using the manipulatives, students learn the process of recombinant…

Life-Size Heart Model (Item No. B10405A) This full sized heart can be removed from its base and split into 2 parts to view the chambers, valves, and major vessels. Labeled diagram included. Heart Model This human heart model, which is about 2X the natural size, is perfect for anatomy…

5 PIECES 5 piece fold & fault model shows the important folds and faults found in the Earth's crust VISUAL Provides a visual representation of fold planes, the effect of tectonic stress and the structural elements of a fault INCLUDES KEY Identification key included for easy…

When DNA is subcloned in the pUC polylinker region, ß-galactosidase production is interrupted, resulting in the inability of cells to hydrolyze X-Gal. This results in the production of white colonies amongst a background of blue colonies. This experiment provides a DNA fragment together with…

LIFELIKE DESIGN 3-dimensional contour map teaching demonstration model with lifelike design built from a custom mold DURABLE Made of polyvinyl chloride (PVC) plastic for durability and mounted onto base SHOWS STRUCTURE For the study of contours - Separates into multiple parts - Shows…

12" length (300mm) Alligator clips at both ends Insulated Quick, temporary electrical connections 12" (300mm) red connecting leads with alligator clips at both ends for 4mm plug. Enables quick, temporary electrical connections. Pack of 12

Membrane microarray technology is enabling scientists to screen large numbers of samples in one assay. This technology has led to cost savings by reducing the sample size, while saving time and yielding accurate results. Students will apply simulated DNA and RNA samples to a membrane to screen for…

High quality bench pulley that can be mounted on a support stand rod. Constructed of a heavy duty cast aluminum support frame, this 50mm diameter pulley is mounted on heavy duty low friction cone bearings. Fits table tops up to 1-3/4" thick (4.5cm).

This cross-sectional view of the human skin, enlarged 105 times, gives students a close-up and 3 dimensional view. It shows three layers and a detailed view of the sweat gland, fatty tissue, and hair follicle. A color key is included.

This pre-assembled DNA model is built to a scale of 10 cm to 1 nm and accurately depicts a 16 base pair section of DNA. The phosphate-deoxyribose backbone and the four bases are represented by custom plastic moldings that show the shapes of the molecules in scale and illustrate the bonding between…

Three-dimensional model of DNA Simple, snap-on construction Sturdy plastic holds up to consistent classroom use Once completed, DNA model can be rotated on stand To attach to base, unscrew the cap at the bottom of the model and screw the helix into the base Easy to construct the three…

Hardwood half meter stick (50cm) Graduated in both centimeters (cm) and millimeters (mm) Ruler Overall Dimensions: 50cm x 2.5cm x 0.6cm Zero top 50cm Hard Wood Half Meter Stick, Graduated in Centimeters and Millimeters

Contains 2 Styrofoam calorimeters with lids, 1 aluminum heat transfer bar, 1 low range thermometer (Plastic) and 1 high range thermometer (metal) Low range thermometer range: - 40°C-50°C/ High range thermometer range: -30°C - 110°C Calorimeter dimensions: 3.75in height and 3.5in diameter …

Tesla coil used to demonstrate the unusual properties of high-frequency electrical phenomena. This apparatus teaches about transformers, electromagnetism, resonating electrical circuits, electric inductance, capacitance, and electrical power transmission. The set consists of two antenna plates,…

8 Part life size model of human brain Hand painted and numbered Includes keycard identifying numbered parts Comes with display stand for custom mounting and display Divided to show occipital and temporal lobes as well as the brain stem, cerebellum and basiler artery This beautiful, hand…

Metal Loops on each end of the helix Helix Diameter: 0.88in Helix Length: 72in The 72 inch wave form helix is a sturdy metal helix that can be manipulated to study wave form and wave behavior. It is a great visual and kinesthetic tool for the study of waves.

Human Respiratory System Model This life-size human respiratory system model is mounted on a 11.5" x 16.5" base and is composed of 7 parts including a 2-part larynx dissected along the sagittal plane, 2-part lung dissected along the frontal plane and a 2-part heart. The trachea with…

Cross Sectional Model Earth Breaks down into 7 parts for furthe study Different colors for different layers. When upper crust is removed, inner core with layers can be seen. When layers one by one are removed you can find the periphery of each layer. Showing the layers inside the Earth with 7…

Green 1.5in length 0.196in diameter Metal connection prongs Green Plastic Diode The green Light Emitting Diode (LED) (Pack of 10) is ideal for use in either PCB mount or panel mount calibrations on a circuit board. The LEDs provide a green light source while using very little energy.

Basic concepts of DNA fingerprinting are featured in this lab by comparing crime scene DNA with suspect DNAs. Fingerprint patterns are separated by agarose gel electrophoresis and the students determine who may have done-it!

Half-Size Skeleton This affordable teaching skeleton is wired for natural movement and highlights a removable skull with the calvarium cut. Mandible hinged with springs allow the examination of TMJ problems. Arms and legs are held on by small screws, making it easy to bend the extremities in all…

FULL SIZE SKELETON MODEL Life size human muscular skeleton model stands 64" tall with painted muscle origins & insertions and ligament details ARTICULATED JOINTS, 3 PART SKULL Quality hardware allows for easy movement of major joints and the three part skull is removable for closer study of…

This full-size human skeleton has a flexible spine that can bend to mimic natural human movement. Both the arms and legs are removable for further study. All movable parts are joined by connectors, and utilized in such a way to allow movement around the joint. Hands and feet are wire mounted to…

Skin Model This model shows the structure of human skin in three dimension and is 70x enlarged.  Individual layers of skin are clearly differentiated and anatomical structures such as hair follicles, sweat glands, receptors, blood vessels, nerves, erector muscles and sebaceous glands are…

This kit is ideal for teaching students how to make measurements in the metric system and then apply those measurements to determine density using the formula Density = Mass/Volume. Includes metric ruler, aluminum bar 76 x 25 x 6mm, aluminum cubes 13mm (2), steel sphere 13mm and glass sphere 13mm.…

Conductometer is a total of 17.75" (45cm) long with 3.75" (9.5cm) long sample bars Bars are made of Aluminum, Brass, Copper, Stainless Steel, Iron, and Zinc Place wax in the end of each bar or place a temperature sensor on each bar and heat the center Different metals conduct heat at…