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Every action has an equal but opposite reaction - right before your very eyes with this fascinating Newton's Cradle Balance Balls Set. Science is demonstrated clearly and simply with a touch of amusement with this balance balls set featuring five metal balls suspended by invisible wire in a metal frame. Lift a ball, let it go and watch the ball on the opposite end move. Great for desks or home display. Measures approximately 4.5" x 4.25". Comes packaged in an individual box.

Quantity: 4 UPC: 6949196558220 Color: transparent,silver SKU: UU816 Tags: .

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