Under Pressure

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  • Jellyfish Cartesian Diver

    Jellyfish Cartesian Diver

    Review star icon Review star icon Review star icon Review star icon Review star icon (2 reviews)
    Just squeeze the bottle to control the diver!
    $3.95
  • Cloud Bottle

    Cloud Bottle

    Review star icon Review star icon Review star icon Review star icon Review star icon (8 reviews)
    Making a cloud with this palm-sized pump is easy.
    $19.95
  • Paper Balloon Paradox

    Paper Balloon Paradox

    Review star icon Review star icon Review star icon Review star icon Review star icon (4 reviews)
    You won't believe your eyes as this colorful balloon slowly fills with air.
    $2.25–$8.95
    $1.58–$8.95
  • Air Pressure Bundle

    Air Pressure Bundle

    Six air pressure goodies will prove that science never sucks!
    $61.95
  • Atmospheric Mat

    Atmospheric Mat

    Review star icon Review star icon Review star icon Review star icon Review star icon (2 reviews)
    Dramatic introduction to the concept of air pressure!
    $23.95
  • Balloon Helicopter

    Balloon Helicopter

    Review star icon Review star icon Review star icon Review star icon Review star icon (14 reviews)
    Flies over 20 feet into the air!
    $1.95
  • Bernoulli's Principle Class Kit

    Bernoulli's Principle Class Kit

    Review star icon Review star icon Review star icon Review star icon Review star icon (4 reviews)
    Teach Bernoulli's Principle easily with this kit!
    $7.95–$25.95
  • Rocket Film Canisters

    Rocket Film Canisters

    Review star icon Review star icon Review star icon Review star icon Review star icon (18 reviews)
    These canisters are perfect for building your Alka-Seltzer rockets!
    $7.95–$44.95
  • Cartesian Diversions Class Kit

    Cartesian Diversions Class Kit

    Review star icon Review star icon Review star icon Review star icon Review star icon (1 review)
    Enough materials to make 60 divers like those seen in the Cartesian Diversions DVD.
    $32.95
  • Rocket Balloons

    Rocket Balloons

    Review star icon Review star icon Review star icon Review star icon Review star icon (23 reviews)
    An awesome way to demonstrate Newton's Laws to students.
    $2.95–$19.95
  • Solar Tube

    Solar Tube

    Review star icon Review star icon Review star icon Review star icon Review star icon (19 reviews)
    Watch as this 60' solar tube gently lifts into the air.
    $15.95
  • Pressure Pullers

    Pressure Pullers

    Review star icon Review star icon Review star icon Review star icon Review star icon (6 reviews)
    Simple to use: no vacuum pump - but incredibly difficult to pull apart.
    $12.95
  • Tornado Tubes

    Tornado Tubes

    Review star icon Review star icon Review star icon Review star icon Review star icon (44 reviews)
    Demonstrate a vortex in your classroom!
    $1.95–$150.00