Newton\'s Cradle Steel Balance Pendulum Balls Physics Science Desk Toy Home Decor For Sale

$Newton\'s Cradle Steel Balance Pendulum Balls Physics Science Desk Toy Home Decor$
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Newton\'s Cradle Steel Balance Pendulum Balls Physics Science Desk Toy Home Decor:
$9.89

Product Description Features:
Strong Line: Our newton cradle use a high-quality nylon line that is strong enough to not be broken easily.
Black Wooden Base: The hard wooden base can keep the smooth operation of the newton's cradle balance balls.
Swing Time: The balance balls continue in perpetual motion for only 15-25 seconds due to the resistance of the air and friction, but it won't influence the effect of playing although it can not reach the seamless convergence among balls in the vacuum.
More Durable and Rustless: With steel frame and 5pcs high polished smooth steel balance balls, which are more durable and easy to transfer and store more energy when colliding.
Applicating: Apply to psychology, teaching tools, and furnishings. Frequency swing keeps you in a calm Desk Metal Balance Ball
Size: 9 x7x 9cm
Material: Metal+Plastics
Base Color: Black
Swing Time: 15-25 seconds

Package includes:
1 x Balance Pendulum

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1. Items sent from US warehouse.

2.Receiving time = Processing time + Shipping time.

3. Processing Time: Around 1-2 business Days.

4. Shipping Time: 3-5 business day.

it may have a little delay during some holiday (such as Christmas),any problem ,please feel free to contact.

1.30 days warrantyfrom the purchased date. Please contact us via email before returning the defective item.

2.Our warranty does not extended to any product that are physically damaged or that are not under normal operating conditions as result of misuse or improper installation on the buyer/user's part.

3.Return items should include the original packaging and all accessories. buyers MUST contact us for the returning address.

4.In all cases, buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements. Refund will be made upon receipt of the returned item.

Pls contact us if you have any problems,we will try our best to solve for you. Payment We accept all verified payment from . Shipping