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these greys are an excellent introduction to value
or even Easter carrot baskets
Recommended 5-9 years
Supports language development and social skills during shared play experiences
Wireless Oxygen - Dissolved L1-Science-L2-Chemistry-L3-Materials these greys are an excellentThe Wireless Dissolved Oxygen Sensor is an advanced tool designed to measure oxygen levels in water with precision. Using a Polarographic (Clark cell) type oxygen electrode, this sensor helps students explore water quality, aquatic life conditions, and environmental science concepts. The anode and cathode within the electrode are immersed in an electrolyte solution, separated from the sample by a semi permeable membrane.: Why this product is
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