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Key Features

Award-Winning Curriculum
Hands-on Learning Tools

Biology Microscope and Complete Slide Set


This microscope set will allow your student to complete the experiments in Exploring Creation with Biology. Costing less than the total of its components, this set comes at a great price and will set your student up for great success in their study of biology.

Lab equipment may only be shipped to an address in the 48 contiguous United States. Please note that lab equipment, which includes this item, is not eligible for return or refund.

Recommended Grade Level: High School

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Orders must total at least $150.00 after discounts and before tax and shipping to qualify for this offer. Applies for standard shipping within the contiguous United States (excluding Alaska and Hawaii). Shipments to PO Box addresses are not eligible for free shipping. Valid for individual customers only. Schools and retailers not eligible. Cannot be used on orders already placed. To qualify for free shipping to APO/FPO addresses, please apply for our military discount program.

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Included in this Set:

National Optical Model 131-RLED Microscope

This National Optical-brand, model 131-RLED cordless/rechargeable microscope is designed to meet or exceed high school teaching requirements, is ruggedly built, and includes all the teaching essentials.

Optical System

  • Widefield 10x eyepiece with revolving pointer. Accepts optional #965-160 eyepiece reticle.
  • 45° inclined viewing head rotates 360° for easy repositioning of the eyepiece and sharing by more than one student.
  • DIN 4x, 10x, and 40xR, objectives are achromatic, parfocalled, parcentered, and color-coded.
  • The 3-hole nosepiece is ball-bearing mounted for more precise alignment and has positive click stops.


  • LED light is rated up to 50,000 hours life, with illumination equal to a 20-watt tungsten bulb.
  • Equipped with 3 AA rechargeable NiMH batteries and auto-cutoff charger with LED charge indicator.
  • Single 8-hour charge allows up to 50 hours of use.
  • Variable on/off light control


  • Rack & pinion coarse focus with tension adjustment, slip clutch, and separate fine focus.
  • Stage moves up or down, eyepiece and body remain fixed.
  • Slip clutch prevents damage to the focusing system.
  • Tension adjustment eliminates stage drift.
  • Safety rack stop prevents damage to slides and objective lenses.


  • Large 110mm x 210 mm stage, with locked-on, spring-mounted stage clips, drilled and tapped to accept optional mechanical stage.
  • Built-in 0.65 condenser lens


  • Rugged cast metal, gray enamel finish.
  • Height 360mm (14-1/8 in.) Net wt. 3.1 kgs (6.8 lbs)

Complete Slide Set

  • Glass Slides and covers (10)
  • Concave Slides (2)
  • Eyedroppers (4)
  • Methylene Blue
  • Iodine
  • Lens paper
  • Microscope Drawing Paper
  • Early Development Chick Embryo Booklet
  • Plastic slide box
  • Prepared slide: Ascaris – Animal Mitosis
  • Prepared slide: Onion Root Tip – Mitosis
  • Prepared slide: Amoeba Proteus
  • Prepared slide: Paramecium
  • Prepared slide: Euglena
  • Prepared slide: Planarian
  • Prepared slide: Spirogyra
  • Prepared slide: Hydra budding
  • Prepared slide: Diatoms
  • Prepared slide: Volvox
  • Prepared slide: Zea Mays stem cross-section
  • Prepared slide: Zea Mays root cross-section
  • Prepared slide: Ranunculus stem cross-section
  • Prepared slide: Ranunculus root cross-section
  • Prepared slide: Grantia spicules – w.m.
  • Prepared slide: Leaf cross-section with vein

Lab equipment may only be shipped to an address in the 48 contiguous United States. Please note that lab equipment, which includes this item, is not eligible for return or refund.

Additional information

Weight 11 lbs
Dimensions 18 × 12 × 10 in




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