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CHEMISTRY OF TOYS continued on next page.
Balloons, Helium Quality,
Pkg. of 20
AP1900 Balloon Needle
Demonstration Kit
AP1969
Chemistry of Toys—Bubbles See page 440.
Chemistry of Toys—Cartesian Divers
Cartesian Diver Construction—Super Value Kit
By: Bob Becker, Kirkwood H.S.,
Kirkwood, MO
Students learn the relationship between
pressure and air volume and how air
volume acts to regulate buoyancy by
constructing Cartesian divers made
of simple equipment and materials.
Procedures for constructing 11 different
types of Cartesian divers are provided.
Super Value Kit is complete with 100
pipets and hex nuts. Requires water and
2-liter soda bottles. Includes Flinn Exclusive STEM Integration Guide.
See free video at flinnsci.com.
Catalog No. Description Price/Each
AP9082 Cartesian Diver Construction—Super Value Kit $35.10
Cartesian Diver Pump Cap
“Fizz-Keeper”
Take the squeeze out of your cartesian divers with this easyto
use pump cap, commonly known as the Fizz-Keeper. Simply
screw the pump cap onto the 2-liter bottle, pump the cap a
few times to change the pressure in the bottle, and watch as
your Cartesian divers sink to the bottom of the bottle—no more
squeezing needed.
Catalog No. Description Price/Each
AP4676 Cartesian Diver Pump Cap “Fizz-Keeper” $4.44
Chemistry of Toys—Crystals
The Crystal Forest—
Student Laboratory Kit
By: The Flinn Staff
A new twist on crystal growing! In this activity,
students cut out and assemble miniature
paper trees. The trees are placed in a solution
of Prussian blue, sodium chloride, and ammonia.
Overnight the trees become “snow-covered” in
a thick, delicate envelope of salt crystals. This
beautiful white forest is sure to be a classroom
favorite. Includes detailed instructions and a
reproducible student worksheet.
Complete for 30 students, each making one
tree. Super Value Kit is complete for 5 classes of
30 students.
See free video at flinnsci.com.
Catalog No. Description Price/Each
AP6307 The Crystal Forest—Student Laboratory Kit $41.03
AP6308 The Crystal Forest—Super Value Kit 98.25
Magic® Tree
It is a miniature artificial tree that grows. Ornamental buds appear
in 15 minutes and magically grow into an extra ordinarily beautiful
and delicate tree. Tree size is 21/4" tall. Wonderful crystal-growing lab.
Catalog No. Description Price/Each
AP1929 Magic® Tree $4.32
Laundry Bluing
Grow beautiful salt crystals using laundry bluing. Lots of fun for
everyone! Recipe included. Other ingredients needed for this
activity: charcoal blocks or other porous material, salt, ammonia
and food coloring. 8-oz bottle.
Catalog No. Description Price/Each
B0220 Laundry Bluing $8.60
Chemistry of Toys—Balloons
Balloons
12" latex balloons, helium quality, assorted colors, sphere shaped.
Catalog No. Description Price/Pkg.
AP1900 Balloons, Helium Quality, Pkg. of 20 $5.50
Balloon Needle
Demonstration Kit
By: The Flinn Staff
Have you ever seen someone put a needle through a balloon without the
balloon popping? It can be done! We will tell you how and provide you with
the proper type of needle and accessories to make you an expert. Detailed
instructions and teaching tips are included. Balloons are required and available
separately.
Catalog No. Description Price/Each
AP1969 Balloon Needle Demonstration Kit $23.17
Chemistry of Toys—Density
Steel Sphere Density Set
Boggle your students’ minds with this fun density set! Both
spheres weigh the same, but have different volumes. Which
will sink? Which will float? Have fun discussing density, mass
and volume with this density set!
Catalog No. Description Price/Each
AP9910 Steel Sphere Density Set $33.16
Chemistry of Toys—Energy
Hand Boiler See page 440.
Two-Potato Clock See page 440.
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