CHILD'S DREAM: All kids has a scientist's dream, how should we help our child? Let's start from newton's cradle balance balls and give the dream to your child
30-40 SECOND: Balls to move smoothly for up to 40 seconds Can help you explain your child that physical knowledge and Newton's story, Can help your explore The mysteries of the natural sciencesn with your child toghter
BLACK WOODEN BASE: the hard wooden base can keep the smooth operation of the newton's cradle balance balls
OUR PROMISE: The material of newton's cradle is metal and wooden, Not plastic. We have a full refund for any quality problems

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 6.69 inch
Height : 1.61 inch
Length : 7.8 inch

Item Weight: 1.7 pounds (View shipping rates and policies)
Shipping Weight: 1.7 pounds (View shipping rates and policies)

ASIN : B071Z8HKTX