Sale Quick view Compare Thames & Kosmos Basic Electronics for Tomorrow's Inventors Book MSRP: $19.95 Was: $19.95 Now: $17.95 Quick view Compare
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Sale Quick view Compare Thames & Kosmos Color Changing Crystals Ignition Series Experiment Kit MSRP: $14.95 Was: $14.95 Now: $13.45 Quick view Compare
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Sale Quick view Compare Thames & Kosmos Cosmic Collors Spark Experiment Kit MSRP: $9.95 Was: $9.95 Now: $8.95 Quick view Compare
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Sale Quick view Compare Thames & Kosmos Amazing Gyroscope Spark Experiment Kit MSRP: $9.95 Was: $9.95 Now: $8.95 Quick view Compare
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