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  • Flywheel Powered zeCar

    Flywheel Powered zeCar
    Perfect examples of the wheel and axle in action.
    $17.46
  • Goldenrod Color-Changing Paper - 100 sheets

    Goldenrod Color-Changing Paper - 100 sheets
    Review star icon Review star icon Review star icon Review star icon Review star icon (33 reviews)
    Turns bright red in bases and returns to bright yellow in acids.
    $17.46
  • Octacog Balance Construction Toy and Game

    Octacog Balance Construction Toy and Game
    Review star icon Review star icon Review star icon Review star icon Review star icon (1 review)
    A STEM construction toy that's all about the physics of balance.
    $17.46–$51.45
  • Periodic Table Cups

    Periodic Table Cups
    Review star icon Review star icon Review star icon Review star icon Review star icon (5 reviews)
    Teachers and students love these unique paper cups.
    $17.46
  • Solar Robot

    Solar Robot
    Build a green machine with visible gears, levers, motor, and a solar panel.
    $17.46
  • Thermoelectric Energy Demonstration Kit

    Thermoelectric Energy Demonstration Kit
    Review star icon Review star icon Review star icon Review star icon Review star icon (1 review)
    With just the warmth of your hand or cold from ice, you can generate electricity!
    $17.46
  • Weather Science

    Weather Science
    Review star icon Review star icon Review star icon Review star icon Review star icon (1 review)
    Learn about static electricity that causes lightning, make your own clouds, and more.
    $17.50
  • Ecosystem: A Habitat Building Card Drafting Game

    Ecosystem: A Habitat Building Card Drafting Game
    Build your own ecological network in this biologically derived game.
    $17.51
  • Ecosystem: Coral Reef, A Card Drafting Game of Marine Competition

    Ecosystem: Coral Reef, A Card Drafting Game of Marine Competition
    Dive deep to build your own ecological network.
    $17.51
  • Ecosystem: Savanna
    NEW

    Ecosystem: Savanna
    Be on the prowl in Ecosystem: Savanna, a Serengeti-inspired card-drafting game.
    $17.51
  • e-Blox Lumen Robyn PowerFigure

    e-Blox Lumen Robyn PowerFigure
    Female Mini PowerFigure
    $17.95
  • e-Blox Lumen Dog Glen PowerFigure

    e-Blox Lumen Dog Glen PowerFigure
    Canine Mini PowerFigure
    $17.99
  • Sea Turtle Dichotomous Key Kit

    Sea Turtle Dichotomous Key Kit
    Review star icon Review star icon Review star icon Review star icon Review star icon (3 reviews)
    Identify eight distinct sea turtle models using this kit.
    $18.03
  • Solar Snap - The Eclipse App

    Solar Snap - The Eclipse App
    Review star icon Review star icon Review star icon Review star icon Review star icon (1 review)
    An easy way to take pictures of an eclipse with your phone.
    $18.14
  • Classroom Slime Kit

    Classroom Slime Kit
    Review star icon Review star icon Review star icon Review star icon Review star icon (5 reviews)
    Contains enough to make slime for the whole classroom.
    $18.49
  • Diffusion Mist

    Diffusion Mist
    Review star icon Review star icon Review star icon Review star icon Review star icon (1 review)
    Works great with our laser pointers!
    $18.49
  • Radiometer

    Radiometer
    Review star icon Review star icon Review star icon Review star icon Review star icon (2 reviews)
    Easily illustrate the conversion of light energy into mechanical energy.
    $18.49
  • Replacement Electrodes Pack of 50

    Replacement Electrodes Pack of 50
    50 replacement electrodes for Backyard Brains experiment kits.
    $18.49
  • Solar Rover

    Solar Rover
    Build your battery-free Solar Rover, place it in the sun and watch it zip along!
    $18.49
  • UV Filter Set

    UV Filter Set
    Set of two plastic disks; one absorbs UV-A Light, the other doesn't.
    $18.49
    *Backordered: 2025-12-20 00:00:00
  • Super Size Wave Spring

    Super Size Wave Spring
    Review star icon Review star icon Review star icon Review star icon Review star icon (2 reviews)
    A perfect way to demonstrate wave theory.
    $18.65
  • Fossil Sorting Kit

    Fossil Sorting Kit
    Review star icon Review star icon Review star icon Review star icon Review star icon (34 reviews)
    Each bag contains at least 120 assorted fossils and a sorting guide.
    $19.21
  • Write & See Squares

    Write & See Squares
    Review star icon Review star icon Review star icon Review star icon Review star icon (4 reviews)
    Teach Albert Einstein's Photoelectric effect!!!
    $19.31
  • 5L Erlenmeyer Flask
    NEW

    5L Erlenmeyer Flask
    Exclusive! As seen on "Live! With Kelly & Mark"
    $19.52
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