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THAMES & KOSMOS Science Advent Calendar, 661007

$39.95
Celebrate the winter holiday season with science! This advent calendar includes 24 unique science experiments to do as kids count down the days to Christmas. Experiments are quick to execute and cover a variety of scientific topics related to chemistry, biology, and physics. Adds an educational twist to a fun, wholesome family tradition.  Most materials and tools included; additional materials are common household items.

THAMES & KOSMOS Motors & Generators, 665036

$24.95
Conduct 25 experiments  Includes full-color, 48-page manual guides your experiments with step-by-step instructions.