Includes one 5in styrofoam ball, one 1/2" styrofoam ball, one 1/4" styrofoam ball, one 4" styrofoam ball, two 1/2" styrofoam balls, one 3" styrofoam ball, two 1 1/4" styrofoam balls, one 2 1/2" styrofoam ball
Construct at least 16 different molecule models, including water, hydrogen peroxide, methane, acetylene, propane, and more
Kit includes: 63 Styrofoam balls to represent atoms, 60 chenille stems to represent bonds, Complete instructions to build 16 molecules, Handy periodic table of elements
Learn with useful glossary of chemistry terms, fundamental facts about the molecules you build, and web links to educational chemistry sites
Everything you need to construct a double-helix model of DNA
Includes easy complete instructions, fundamental facts about DNA, a pop quiz, and web links to sites about DNA, genetics, and biology
Contains: 20 small Styrofoam balls (1 in.) for phosphate groups 20 large Styrofoam balls (1 1/2 in.) for deoxyribose sugars 10 long Styrofoam rods (2 1/2 in.) for adenine and guanine bases 10 short Styrofoam rods (2 in.) for thymine and cytosine bases 10 short chenille stems (3 in.) to connect bases and sugars Two extra-long chenille stems (45 in.) for sugar-phosphate backbone One reinforcement wire (14 1/2 in.) One display stand (4 in. x 5 in.)
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