Newtons Cradle Balance Balls Large with Black Mirror Wooden Base Fun Science Phy

Specifications :
Name: Newtons Cradle Balance Balls
Material: frosted glass + fishing line + plastic base
Batteries: 4x AA batteries (not included)
Size: 12 x 12 x 9cm/4.7 x 4.7 x 3.5 in
Application: home, office, school, etc

Feature：
Why Choose Our Newtons Cradle Balance Balls?
– 100% brand new and high quality.
– 【Unique Design】The cradle pendulum will become holographic when exposed to sunlight or artificial white light. These glass balls are environmentally friendly, non-toxic and are designed to last for a long time.
– 【Colorful LED Light】The cradle pendulum light is powered by 4x AA batteries. A luminous plate on the base is projected onto the glass beads which will light up in different colors.
– 【Educational Toy】The cradle pendulum light is the perfect tool for children to learn about the conservation of momentum and energy. They are perfect for psychology, science and physics classes.

What You Get:
1x Cradle Pendulum Light

[High Quality Newton Cradle]Newton cradle uses frosted glass + fishing line + plastic base. It has passed safety certification and quality testing. It is environmentally friendly, non-toxic, durable and will not cause adverse effects on the human body. Please rest assured to use it
[Unique charm]Power by Batteries:4 x AA batteries(Not Included). Glowing Newton ball swing more dazzling at night, the base has a luminous plate, projected onto the glass beads, glass beads showing colorful, very attractive. It stays quietly by your side and swings and never stops its noble temperament, when you work hard, or when you are sleeping. When others approach your office or room, they will also be moved by its elegance.
[Easy to Play] The same number of balls will swing up on the opposite side and then clicking will go back and forth until it stops, a soothing experience you’ll enjoy. The bright color will brighten up your work space.
[Colorful LED Light] Holocradle is the only Newton’s cradle in the world that changes colors with light. Its unique design makes it change to holographic colors when exposed to sunlight or artificial white light, which makes it stand out from many other science or office products.Size:12*12*9cm.
[The Best gift for Kids]You can use this magical Newton pendulum to popularize physics knowledge for children and stimulate children’s interest in science through magical phenomena. It is the best great Christmas gift!The gift is suitable for any period, such as: anniversary, major holiday, graduation, birthday, Christmas, Halloween, Valentine’s Day, etc. It will be a thoughtful and satisfying gift.