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Light & Sound

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Great Science Adventures: World of Light & Sound
CAD 33.95
How to Do Science Experiments with Children
CAD 41.95
Light & Sound Grades 4-6
CAD 18.95
Light and Sound - Simple Science Experiments
CAD 12.95 CAD 10.36
Optical Science Experiment Kit
CAD 48.95
Physical Science Grades 1-5
CAD 16.95