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× What is the Bernoulli Effect? $225.00
$225.00
× How do I Build Roads and Bridges? $225.00
$225.00
× Make Your Own Kaleidoscope $7.95
$7.95
× What is Atmosphere? $225.00
$225.00
× What do Birds do in Winter? $225.00
$225.00

Cart totals

Subtotal $907.95
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Total $998.75