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Mechanical Stopwatch
Versatile Usage: Widely used in various laboratory processes
allowing for diverse observations and experiments in fluid dynamics
providing a unique glimpse into life on Earth millions of years ago
DC Output:
Metric Weight Set 54-Piece Mechanical StopwatchStackable hexagonal shaped, color coded weightsUse with a scale or balance to demonstrate mass measurementSet of 54 contains 20 each of 1g and 5g weights, plus ten 10g, and four 20g weightsIncludes storage box
