Kit, The state of Earths atmosphere affects us all, which explains why the weather is one of the most popular topics of conversation and scientific study. With 23 hands-on experiments, Full-color, 48-page manual.
II Launch Pad, Porta-Pad*, with blast deflector and standoff, two-piece 1/8 inch launch rod, safety cap and key, no glue/tools required, Quick assembly,
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