BEST SELLERS

Centrifuge Tubes

In clear plastic. They measure a tad over 4-1/2" long x 1-1/8" dia, graduated from 5 to 50ml in 2.5ml increments, with a screwcap and a white writing stripe. Lost your centrifuge? They're perfect for saving quarters.

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CENTRIFUGE TUBES

Centrifuge Tubes

In clear plastic. They measure a tad over 4-1/2" long x 1-1/8" dia, graduated from 5 to 50ml in 2.5ml increments, with a screwcap and a white writing stripe. Lost your centrifuge? They're perfect for saving quarters.

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$3.95 PKG (10)

Binocular Microscope

This binocular microscope for the serious science student is extremely well-priced. Magnification is determined by color-coded 4X, 10X, 40X and 100X oil-immersion objectives and (2) 10X eyepieces, for 40X, 100X, 400X and 1000X magnification. It offers a 110-volt, 1-watt LED substage illumination, interpupilary adjustment, rack-and-pinion coarse/fine focus, an iris diaphragm, and a mechanical stage with an Abbe condenser. It has a comfortable 45° viewing angle. Brand new, and at a terrific price! It also includes a 1 year warranty w/proof of purchase.  

  • Magnification 40X, 100X, 400X, 1000X (oil)
  • Objectives 4X, 10X, 40X, 100X, oil-immersion, color-coded
  • Eyepiece 10X, binocular, (1) reticle
  • Illumination White Light LED substage
  • Stage Mechanical, with Abbe condenser
  • Focusing Rack and pinion course/fine
  • Weight 9 lbs
  • Height 13"
  • Viewing Angle 45°
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    TOP QUALITY STUDENT BINOCULAR MICROSCOPE

    Binocular Microscope

    This binocular microscope for the serious science student is extremely well-priced. Magnification is determined by color-coded 4X, 10X, 40X and 100X oil-immersion objectives and (2) 10X eyepieces, for 40X, 100X, 400X and 1000X magnification. It offers a 110-volt, 1-watt LED substage illumination, interpupilary adjustment, rack-and-pinion coarse/fine focus, an iris diaphragm, and a mechanical stage with an Abbe condenser. It has a comfortable 45° viewing angle. Brand new, and at a terrific price! It also includes a 1 year warranty w/proof of purchase.  

  • Magnification 40X, 100X, 400X, 1000X (oil)
  • Objectives 4X, 10X, 40X, 100X, oil-immersion, color-coded
  • Eyepiece 10X, binocular, (1) reticle
  • Illumination White Light LED substage
  • Stage Mechanical, with Abbe condenser
  • Focusing Rack and pinion course/fine
  • Weight 9 lbs
  • Height 13"
  • Viewing Angle 45°
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    $324.95 EACH

    Pipettes

    Or pipets, depending on how old you are. Or how French you are. These are non-adjustable, ungraduated pipettes/pipets, 9" long and plastic with bulbs. Good for dropping drips of whatever it is that you drop.

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    9" PLASTIC PIPETTES

    Pipettes

    Or pipets, depending on how old you are. Or how French you are. These are non-adjustable, ungraduated pipettes/pipets, 9" long and plastic with bulbs. Good for dropping drips of whatever it is that you drop.

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    $3.95 PKG (20)

    Borosilicate Culture Tubes

    We've got borosilicate culture tubes, aka test tubes, til the lab won't have 'em. These 20ml tubes measure 16mm dia x 125mm long with a lip and will close snugly with a #5 cork. Made in the USA.

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    20ML BOROSILICATE CULTURE TUBES

    Borosilicate Culture Tubes

    We've got borosilicate culture tubes, aka test tubes, til the lab won't have 'em. These 20ml tubes measure 16mm dia x 125mm long with a lip and will close snugly with a #5 cork. Made in the USA.

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    $4.95 PKG (10)

    Student Bacteria

    We collected it ourselves, from local students. (Just a little joke, teachers.) What we have here is bacteria-experiment kit for classroom use with (2) 200ml bottles of prepared nutrient agar, (20) sterile Petri dishes, (10) sterile swabs, and (4) instruction sheets. Made for individual experiments or for use with (4) groups of up to (6) students. Use it to test common surfaces, do clean hands/dirty hands or clean mouth/dirty mouth tests of soap and mouthwash, or compare students' mouths to a dog's mouth, if you have a dog handy.

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    BACTERIA KIT

    Student Bacteria

    We collected it ourselves, from local students. (Just a little joke, teachers.) What we have here is bacteria-experiment kit for classroom use with (2) 200ml bottles of prepared nutrient agar, (20) sterile Petri dishes, (10) sterile swabs, and (4) instruction sheets. Made for individual experiments or for use with (4) groups of up to (6) students. Use it to test common surfaces, do clean hands/dirty hands or clean mouth/dirty mouth tests of soap and mouthwash, or compare students' mouths to a dog's mouth, if you have a dog handy.

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    $43.95 EACH

    What's A Gram Weigh?

    About 1/100 of this solid brass 100g cylindrical weight. Measures 1" dia x approx 15/16" tall with a 7/32" ID cup hook at the top. Pretty. Useful for calibrating scales. And accurate to within one percent, which is one reason for this great price, because if it hit 100g on the head every time, we'd be charging you a heck of a lot more.

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    BRASS WEIGHT

    What's A Gram Weigh?

    About 1/100 of this solid brass 100g cylindrical weight. Measures 1" dia x approx 15/16" tall with a 7/32" ID cup hook at the top. Pretty. Useful for calibrating scales. And accurate to within one percent, which is one reason for this great price, because if it hit 100g on the head every time, we'd be charging you a heck of a lot more.

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    $5.25 EACH

    Kiddlescope

    My First Microscope from GeoSafari® Jr.® is a colorful plastic 8X binocular inspection scope for pre-preschoolers. Includes a built-in white LED top illuminator, over-sized rubber eyecups and simple focus knob. Fixed stage holds flat or 3D objects, so there's no need for slides. All you add is (3) "AAA" batteries and a bunch of stuff for them to peer at, like insects and coins.

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    GEOSAFARI® JR.® KIDS MICROSCOPE

    Kiddlescope

    My First Microscope from GeoSafari® Jr.® is a colorful plastic 8X binocular inspection scope for pre-preschoolers. Includes a built-in white LED top illuminator, over-sized rubber eyecups and simple focus knob. Fixed stage holds flat or 3D objects, so there's no need for slides. All you add is (3) "AAA" batteries and a bunch of stuff for them to peer at, like insects and coins.

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    $21.95 EACH

    Tesla Tee

    If Nikola Tesla were alive he'd be sporting this lovely chocolate brown and sepia T-shirt, especially because it glows in the dark. (Just like he probably did.) Below his GITD name is his face and below that are photos and patent sketches of his major inventions. 100% cotton. You pick the size.

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    T-SHIRT, NIKOLA TESLA, XXL GITD SEPIA (B)

    Tesla Tee

    If Nikola Tesla were alive he'd be sporting this lovely chocolate brown and sepia T-shirt, especially because it glows in the dark. (Just like he probably did.) Below his GITD name is his face and below that are photos and patent sketches of his major inventions. 100% cotton. You pick the size.

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    LITMUS PAPER

    Chemically treated paper strips to test for acid or base (alkaline) solutions. Use the blue for acids, the red for bases. The more sophisticated hydrion pH test paper strip indicates pH from 1 (bright red) to 14 (dark brown). Values in between can be read by comparing with a color chart that comes with the strips. All have (100) strips of test paper per vial.

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    BLUE LITMUS PAPER

    LITMUS PAPER

    Chemically treated paper strips to test for acid or base (alkaline) solutions. Use the blue for acids, the red for bases. The more sophisticated hydrion pH test paper strip indicates pH from 1 (bright red) to 14 (dark brown). Values in between can be read by comparing with a color chart that comes with the strips. All have (100) strips of test paper per vial.

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    $3.25 PKG (2)

    Slide Stain

    Get 5ml of microscope slide stain in a nifty plastic squeeze bottle with a dropper top and white plastic screw cap. Bottle is approx 2" tall x 3/4" dia, like a standard food-coloring dispenser. You pick red or blue stain.

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    BLUE SLIDE STAIN

    Slide Stain

    Get 5ml of microscope slide stain in a nifty plastic squeeze bottle with a dropper top and white plastic screw cap. Bottle is approx 2" tall x 3/4" dia, like a standard food-coloring dispenser. You pick red or blue stain.

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    Pretty Sharp

    Optimize the power of your microscope and get the sharpest possible image with a drop of clear, colorless immersion oil between the lens and your slide. This 0.5 oz tube of low-viscosity Resolve® Immersion Oil from Richard-Allan Scientific has a refractive index of 1.5150. It is non-drying and non-hardening, and will not damage lenses or valuable slides. But it will definitely enhance your view!

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    IMMERSION OIL

    Pretty Sharp

    Optimize the power of your microscope and get the sharpest possible image with a drop of clear, colorless immersion oil between the lens and your slide. This 0.5 oz tube of low-viscosity Resolve® Immersion Oil from Richard-Allan Scientific has a refractive index of 1.5150. It is non-drying and non-hardening, and will not damage lenses or valuable slides. But it will definitely enhance your view!

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    $12.50 EACH

    Rubber Plugs

    They're gray rubber stoppers, 3/4" dia at the top, threaded at the bottom to fit 17mm ID bottles. They're 7/8" long OA, with a threaded portion 7/16" long. Which doesn't matter a whole lot if you're using them for their most obvious use, which is to glue them to your neck for the world's absolutely best Frankenstein costume!

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    RUBBER STOPPER

    Rubber Plugs

    They're gray rubber stoppers, 3/4" dia at the top, threaded at the bottom to fit 17mm ID bottles. They're 7/8" long OA, with a threaded portion 7/16" long. Which doesn't matter a whole lot if you're using them for their most obvious use, which is to glue them to your neck for the world's absolutely best Frankenstein costume!

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    $1.95 PKG (20)

    Condense Something

    A condenser is an integral part of any distillation operation, and this 300mm Graham condenser, with 24/40 ground-glass joints, sends you on your way. As always, we ask no questions, so feel free to follow your experimental dreams. Inlet/outlet ports are 3/8" diameter.

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    300 ML CONDENSER

    Condense Something

    A condenser is an integral part of any distillation operation, and this 300mm Graham condenser, with 24/40 ground-glass joints, sends you on your way. As always, we ask no questions, so feel free to follow your experimental dreams. Inlet/outlet ports are 3/8" diameter.

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    $39.95 EACH

    Scope It Out

    See clearly with this 20X stereo microscope; coins, fossils, circuit boards, bugs and splinters have never been larger. Dual 10X eyepieces provide a stereoscopic view with a 2-1/2" to 3-7/8" working distance while an LED illuminator powered by (2) "AA" batteries (included) brightens and a black/white stage plate with aluminum clips improves your contrast. Eyepieces are also adjustable for those who like to play with interpupillary distance and it stands 10-1/2" tall. Great for students, hobbyists, crafters and more.

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    20x STEREO INSPECTION MICROSCOPE

    Scope It Out

    See clearly with this 20X stereo microscope; coins, fossils, circuit boards, bugs and splinters have never been larger. Dual 10X eyepieces provide a stereoscopic view with a 2-1/2" to 3-7/8" working distance while an LED illuminator powered by (2) "AA" batteries (included) brightens and a black/white stage plate with aluminum clips improves your contrast. Eyepieces are also adjustable for those who like to play with interpupillary distance and it stands 10-1/2" tall. Great for students, hobbyists, crafters and more.

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    $79.95 EACH

    This Arm Gives You A Hand

    This 10" distilling arm, with 24/40 ground-glass joints is essential for any distillation project. And you know you've got distillation projects. Use this arm to connect a boiling flask to a condenser, for example.

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    10" DISTILLING ARM

    This Arm Gives You A Hand

    This 10" distilling arm, with 24/40 ground-glass joints is essential for any distillation project. And you know you've got distillation projects. Use this arm to connect a boiling flask to a condenser, for example.

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    $19.35 EACH

    Microscope Accessories

    You bought one of our excellent microscopes - now you need interesting, good-quality slides. You need our Microscope Accessory Kit. The kit includes The World of the Microscope, a well-illustrated 48-page book that explains the instrument and how to use it. You get supplies to create your own slides, including a box of (72) standard glass slides, about 1" x 3", with ground edges; tweezers with which to position your specimens; a 4" glass dropper with a rubber bulb from which to drop small amounts of liquid onto the specimens; and (100) square pieces of #1 thickness cover glass to place over them. A great way to get focused.

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    BEGINNERS MICROSCOPE ACCESSORY KIT

    Microscope Accessories

    You bought one of our excellent microscopes - now you need interesting, good-quality slides. You need our Microscope Accessory Kit. The kit includes The World of the Microscope, a well-illustrated 48-page book that explains the instrument and how to use it. You get supplies to create your own slides, including a box of (72) standard glass slides, about 1" x 3", with ground edges; tweezers with which to position your specimens; a 4" glass dropper with a rubber bulb from which to drop small amounts of liquid onto the specimens; and (100) square pieces of #1 thickness cover glass to place over them. A great way to get focused.

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    $16.95 EACH

    BOTTLEMANIA

    Zillions of little bottles. Renegades from a pharmaceutical company, leftover unfilled from runs of exotic we-know-not-what. We have divided them into two basic shapes: A, Narrow Mouth, h (Narr Mo) have a 10mm dia. x 4mm long neck on top of a squarish shoulder, a 13mm dia. 3mm rim and a 7mm dia. opening; B, Wide Mouth, (Wide Mo) have a 16mm dia. x 4mm long neck on top of a squarish shoulder, a 19mm dia. x 3mm rim and a 12 or 13mm dia opening. Height refers to height overall, and dia. to the body dia. Great items for essential oils,  the doll house (for kids old enough not to swallow them), to hold tiny wild flowers, for decorative art work or individual cruets. All quite sturdy glass. In the real world, you would pay from $75 (smallest) to $225 (biggest) for 288 of these, which is the smallest quantity you could get!! Narrow mouth bottles take a #00 cork. (Click Here. Our part number 88746) Wide mouth bottles take a #3 cork. (Click Here. Our item number 88748)

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    15ML AMBER BOTTLE, WIDE MOUTH, 32mm Dia. x 57mm Tall

    BOTTLEMANIA

    Zillions of little bottles. Renegades from a pharmaceutical company, leftover unfilled from runs of exotic we-know-not-what. We have divided them into two basic shapes: A, Narrow Mouth, h (Narr Mo) have a 10mm dia. x 4mm long neck on top of a squarish shoulder, a 13mm dia. 3mm rim and a 7mm dia. opening; B, Wide Mouth, (Wide Mo) have a 16mm dia. x 4mm long neck on top of a squarish shoulder, a 19mm dia. x 3mm rim and a 12 or 13mm dia opening. Height refers to height overall, and dia. to the body dia. Great items for essential oils,  the doll house (for kids old enough not to swallow them), to hold tiny wild flowers, for decorative art work or individual cruets. All quite sturdy glass. In the real world, you would pay from $75 (smallest) to $225 (biggest) for 288 of these, which is the smallest quantity you could get!! Narrow mouth bottles take a #00 cork. (Click Here. Our part number 88746) Wide mouth bottles take a #3 cork. (Click Here. Our item number 88748)

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    $3.95 PKG (12)

    Clearly Tubes

    Like the ubiquitous oxygen tubing found in medical settings everywhere, we have this clear acrylic tubing available in 23-1/2" long pieces. Tubes measure 9/32" OD x 5/32" ID. Great for fountains, science fair projects, Halloween costumes, unique holiday decorations and modern sculpture.

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    5/32" CLEAR ACRYLIC TUBING

    Clearly Tubes

    Like the ubiquitous oxygen tubing found in medical settings everywhere, we have this clear acrylic tubing available in 23-1/2" long pieces. Tubes measure 9/32" OD x 5/32" ID. Great for fountains, science fair projects, Halloween costumes, unique holiday decorations and modern sculpture.

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    $3.50 PKG (10)

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