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Sub-Total: $97,797.00MN
Replacement Nitrate Sensor for ...
$5,174.00MN
Weather Station Mounting Tripod
$2,789.00MN
Spec 9 Pro Software
$4,665.00MN
Glow Solar System Mobile Making Kit
$264.00MN
Solar System Model Planetarium Kit
Glow Planets & Super Nova 100 pcs.
$310.00MN
Números y Estrellas Mayas
$230.00MN
Microscopio para Celular
$276.00MN
windmill generator
$331.00MN
Potato Clock
Build Your Own Wind Turbine
$425.00MN
Hormiguero de Gel
$263.00MN
Field Scout Quantum ...
$6,322.00MN
Cell reproduction and ...
$699.00MN