Density Themed Birthday Party Ideas

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  • Are You Dense? Bundle

    Are You Dense? Bundle

    Density demos are always fascinating... and fun!
    $87.95
  • Jellyfish Cartesian Diver

    Jellyfish Cartesian Diver

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    Just squeeze the bottle to control the diver!
    $3.95
  • ZigZag Density Tumbler

    ZigZag Density Tumbler

    A hypnotizing display of surface tension, density, and insolubility.
    $7.95
  • Diving Submarine

    Diving Submarine

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    Powered by baking powder, it dives and surfaces just like a real sub.
    $3.95
  • Floating Yen Coins

    Floating Yen Coins

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    Real Japanese 1 Yen coins made from aluminum that can float on water.
    $7.95
  • Pumice Samples

    Pumice Samples

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    Explore and observe the product of an actual volcano.
    $5.95
  • Flowing Color Spectrum

    Flowing Color Spectrum

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    Great for sharpening those observational skills!
    $6.95
  • Poly Density Kit

    Poly Density Kit

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    Spontaneous order from disorder! Isn't this a violation of The Second Law??
    $19.95
  • Cartesian Diver Ballast Nuts

    Cartesian Diver Ballast Nuts

    These nuts fit perfectly on our Cartesian Diver pipets.
    $16.50
  • Fizz-Keeper Pumps

    Fizz-Keeper Pumps

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    Perfect to use with Cartesian Diver experiments.
    $4.95
  • Cartesian Diversions Class Kit

    Cartesian Diversions Class Kit

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    Enough materials to make 60 divers like those seen in the Cartesian Diversions DVD.
    $32.95
  • Catch and Release Cartesian Diver

    Catch and Release Cartesian Diver

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    Guaranteed to get anyone hooked on science!
    $4.50–$21.95
  • 1-Liter Bottles & Caps

    1-Liter Bottles & Caps

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    Brand new, clean soda bottles with caps.
    $15.95–$87.95
  • Graduated Transfer Pipets #222

    Graduated Transfer Pipets #222

    This size pipet is just right for making super Cartesian Divers!
    $10.95–$26.95