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…

This life size human skeleton model features unbreakable plastic bones which were carefully cast to preserve the finest details. The mandible is hinged; the arms, legs and skull are removable; and the calvarium is sectioned to allow for study of the cranial vault. There is natural movement in the…

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…

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…

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.

250g FINE SHAVINGS 250g of fine 40-60 mesh iron filings SCREW CAP BOTTLE Comes in translucent plastic bottle with screw-on cap for easy dispensing APPLICATIONS Great for magnetism demonstrations SAFETY & STORAGE Includes GHS-compliant label printed with safety and storage…

Enlarged Dental Demonstration Model to show the proper dental care to students or children. Includes an over size 14.5" tooth brush. Top and Bottom Dental Models are connected by metal flex tube. Model is approx. 4" tall when closed Comes with booklet for proper dental care in English …

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…

This full-size human skeleton is a great instructional aid for teaching anatomy. Bones are cast individually from naturally colored plastic with anatomical detail. Both the arms and legs are removable for further study. The skull features movable jaw, removable skullcap, suture lines, and a full…

Precision machined dome bracket to ensure easy fit and proper dome mounting to collect charge Grounded base mount discharge wand which can be removed Dome Diameter: 9", Discharge wand diameter: 4". Overall size: 24"H with 9"x10" base Typical Discharge arch is 2-8 cm. Full instruction guide for…

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…

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…

Surface temperature is adjustable up to 250°C (480°F) Heating power output of 180 watts Stirrer is adjustable from 100 to about 2.000 rpm Plate size approx. 4.75"x4.75" Plate is Aluminum This economical lab hotplate includes an integrated magnetic stirrer. The dual controls allow you to…

Life-Size Kidney Model with Adrenal Gland A life-size model of the kidney with the adrenal gland. This model is sectioned along the frontal plane and can be divided into two parts. The internal structures are shown, including the cortex, medulla, pyramids with papillae, partially opened renal…

Plant and Animal Cell Set. Hand size for easy study Compare and contrast Typical Plant and Animal Cells are displayed on bases for comparison. Use to show similarities and differences, and point out structures and organelle of each on one side. Plant cell is 6" H x 5" W, with 11 call outs,…

MINIATURE TORSO MODEL Miniature, sexless human torso model with college level detail, removable organs and numbered key card COMPACT FOR INDIVIDUAL STUDY This model features the same scientific detail as the full size torso model but is compact in size, standing only 19" tall. Perfect for…

FULL SIZE SKELETON MODEL Life sized human skeleton model stands 60" tall and features painted details on its left side to show the points of muscle origin and insertion. Includes key card for identifying and studying the 167 numbered muscle structures ARTICULATED JOINTS, 3 PART SKULL Quality…

Skeleton model is molded from PVC Plastic and hand-painted to show structures of the axial skeleton.  Skeleton measures 32" x 8" x 5" and mounts on a metal rod with a plastic stand.  Includes a fold-out laminated color guide indicating 143 labeled structures including…

Demonstrate multiple electrostatic principles: electrophorus, charging electroscopes by induction and contact, electrostatic attraction, repulsion and induction, Faraday’s ice pail experiment, and surface distribution of the charge. Contents include: Electroscopes with ball terminals, charge…

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…

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 …

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.

Male Genital Organ Model This high quality life-size model is made of 4 parts. One half of the penis is shown through medial and transverse cuts. The removable male reproductive system is excellent for further study of both internal and external anatomical structure. Female Genital…

Durable hardwood craftsmanship (2.5 cm wide and 0.5 cm thick) Metal ends for enhanced durability Each side is marked in metric graduations of centimeters and millimeters. Centimeters are also numerically marked. Clear finish protects the wood as well as the numbers and markings Great for the…

Male Pelvis Model (Item No. B10431) Almost life-size, this male pelvis model separates into four parts. Dissection of the left side reveals the internal structures, allowing for in depth study of the male pelvis. Vasculature and urogenital features are shown, while the left testis can be opened…

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.

The kit was developed by the same teacher who brought you recombinant DNA technology manipulatives. Now available are manipulatives for teaching protein synthesis. Wheteher you have taught this content a thousand times or this is your first, you will find that all students can learn this material!…

Designed by teachers and tested by teachers, this kit greatly enhances the students' understanding of the process of mitosis. All four stages of the cell cycle can be easily demonstrated with the parts included. The kit gives students a “hands on” experience without the need for…

Body of the cart is mounted on set of three low-friction nylon wheels to produce straight travel over long distances Lockable spring-load punch has two levels of compression, activated by trigger knob on cart top Cushioned cart surface enables the addition of more masses to increase effective…

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…

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

Pack of 8 magnetic ceramic rings 1 3/8" OD x 3/4" Id x 5/16 wide Pack of 8 Magnetic Ceramic Rings - measurements: 1.375" OD 0.75" ID x 0.3125 wide