Newtons Cradle Balance Balls with Red Wave Base Fun Science Physics Learning Desk Toys Fun Gadget Pendulum for Office and Home Decoration-Red Wave

MATERIAL—Our newtons cradle use nylon line of good material instead of cheap fishing line which other sellers used. Wooden base and the unique design idea make an impression. Different size give you more choices.

SWING TIME--The balance balls continue in perpetual motion for only 10-20 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.

EDUTAINMENT--Suitable for children to experience the fun of mechanics in the process of playing this fun gadget.

APPLICATION--Apply to psychology, teaching tools and furnishings. Frequency swing keeps you in a calm state.

AFTER SALE SERVICES--Give you support and help at the first time whether it damage, receive the wrong goods or broken and other problems.

color:

Red Wave

Retail Price: $ 15.99

Wholesale Price: Inquire Now

Introduction and the features

Newton's cradle, named after Sir Isaac Newton, is a device that demonstrates three main physics principles: conservation of energy, conservation of momentum and friction via a series of swinging spheres.

Most people think that Isaac Newton invented the apparatus commonly called a Newton's Cradle, but he didn't. English actor Simon Preble invented the device in 1967 and named it in honor of Newton. In 1968 the first portable version hit the market and quickly gained popularity around the world as a fun, educational physics demonstrator. Principle: Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy. Material: Balance Balls Desk Toy * 1, Stainless steel frame and balls, Nylon thread Attention: Friction and damping effects are inevitable


Apply to psychology, teaching tools and furnishings. Frequency swing keeps you in a calm state.	The balls continue in perpetual motion for only 10-20 seconds due to the resistance of the air and friction	Suitable for children to experience the fun of mechanics in the process of playing.

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After Sale Service:

1 Insurance Policy: Click to go to the Help Center to view the Insurance Policy

2 The rules apply and summit for receive compensation

3 The conditions of accrual for amount insurance

5 Damage to the parcel during international shipping, which resulted in damage to the goods in it

6 Loss of individual goods under international shipment The absence individual goods in the parcel

7 Non-compliance individual goods in color, size, complications Damage to the goods during international shipment

8 Returns Policy: Click to go to the Help Center to view the Returns Policy

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Newtons Cradle Balance Balls with Red Wave Base Fun Science Physics Learning Desk Toys Fun Gadget Pendulum for Office and Home Decoration-Red Wave

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Product introduction

Shipping Notices

Product Description

Introduction and the features


Apply to psychology, teaching tools and furnishings. Frequency swing keeps you in a calm state.	The balls continue in perpetual motion for only 10-20 seconds due to the resistance of the air and friction	Suitable for children to experience the fun of mechanics in the process of playing.

Shipping Notices:

1 Contraband and limited items:

Clgarette,Alcohol,Contraband ?Do not accept

Liquid,cream or cosmetics items are quantity limited in shopping agent service

Chinese medicine is limited to ship by Chinese exporting goods.

2 Limitation for different shipping methods:

3 Yoybuy Product's Label:

Sensitive Product(SEN)

Product With battery

Cream

Powder

Dangerous Products

4 Volume weight Requested:

volume weight=length*height*Width/5000

one side must be less than 120cm，otherwise there is additional fee；250cm products can not be accept；

Any side must be less than 60cm，otherwise you will be charged the greater one between real weight and volume weight，more than 120cm will be not accepted.