H51S Newton's Cradle Balance Balls Science Pendulum Desktop Toy - Red Brown + Silver

SKU: 179805 (Added on -)
Price:
US$
6.18
21% OFF
List Price: US$7.81
Shipping: Free Shipping To UNITED STATES
Dispatch:
Ships within 7-10 business days
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H51S Newton's Cradle Balance Balls Science Pendulum Desktop Toy - Red Brown + Silver
This SKU 179805 is available in US direct. US: 901179805
This cradle demonstrates Newton's principle that "action and reaction are equal and opposite'; If one of the steel balls is lifted and allowed to fall back at one end, then one will swing out the same distance at the other end. This causes the beginning of perpetual motion which dies down only as a result of friction, an interesting process to watch; Bring this quirky desk toy and a bit of unprecedented genius into your life for a daily dose of inspiration; The contact of the outer ball with the inner balls of Newton's Cradle has the visually startling effect of moving all the energy through the stationary balls, so that only the outer balls move; It's curious to watch and may well have you mesmerised for hours. But hey! The Newton's cradle wasn't only a tool used by the great brainy man himself to prove a sceintific point, it is also a fantastically relaxing object to have ticking and clicking away at your elbow as you work, rest or play. Have one in your life today and see if you can't steal a bit of sparking intelligence too.


ModelH51S
Quantity1 piece(s) per pack
ColorRed brown + silver
MaterialPVC + stainless steel + fishing line
SpecificationThis classic desktop display piece has become a must have for office decor; Swing one steel marble back, let it go, and watch as kinetic energy causes the one on the opposite side to swing the same distance; If youre feeling saucy one day, try swinging two or three at once- just dont pass out from the excitement!
Suitable Age8 years old above
Packing List1 x Balance balls
Dimensions: 6.89 in x 5.71 in x 4.33 in (17.5 cm x 14.5 cm x 11.0 cm)
Weight: 4.48 oz (127 g)

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Quantity 3+ units 5+ units 10+ units
Rate USD$ 5.48 shipped USD$ 5.46 shipped USD$ 5.44 shipped

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Average Customer Review (2 customer reviews) 5

100% of customers would recommend this product to a friend (2 out of 2)

  • 5 star: 2 (0%)
  • 4 star: 0 (0%)
  • 3 star: 0 (0%)
  • 2 star: 0 (0%)
  • 1 star: 0 (0%)

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  • Click Clack... Click Clack

    posted by nukenik on 10:32:05 G5T 28/05/2013 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: She works. It took about a minute to assemble and start testing the laws of physics. Fun little thing (emphasis on little, see below) and good looking.

    Cons: Outside of the metal on the balls, everything is made of plastic... including the base and arches that support the hanging balls. The balls themselves are quite small, consequently they lose inertia quickly.

    Other: This is a fun little desk topper that people love to toy with when they stop by. For the price, you won't be upset by the size.

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    • Overall
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  • Fine thing

    posted by ratronix on 06:47:48 G2T 28/02/2013 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: It is small, quite light but well built. Size very conveniable for having on a small working table (as long as it does not annoy office colleages). Spanish: Pequeño, ligero pero bien construido. Muy aconsejable para tener en una mesa de trabajo pequeña (siempre y cuando no moleste a otros compañeros)

    Cons: The fact of being small and light, makes that the cinnetic movement does not keep a lot, so if you want it to keep moving you have to pick the metal balls every now and then. Spanish: el hecho de ser pequeño y ligero, hace que la energía cinética no se mantenga demasiado, así que si quieres que se mantenga en movimiento tienes que tirar de las bolas

    Other: even if it's not the best thing in the world, it makes its function: decoration and stress reliever. Nice product Spanish: incluso si no es el mejor del mundo, cumple su función a la perfección: decoración y anti-stress Buen producto

    Share to facebook Comments Was this review helpful? Yes No
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