كرات توازن نيوتن الكلاسيكية قاعدة خشبية نيوتن للبالغين فيزياء علوم زينة Pendulum المعدنية لعبة تعليمية هدية لمكتب المنزل

الميزات الأساسية

• 【Science Toy】When feeling tired of studying and working, you can stir balls to hear the clinking sound to ease.
• 【HOW TO PLAY】Pull back one or more of the balance balls, release them and the same number of balls will swing up on the opposite side.
• 【GREAT ORNAMENT】Perfect home or office desktop ornament to release pressure and stimulate aspiration. Also good for birthday gift and kids toy.
• 【REDUCED PRESSURE TOY】Suit for both kids and adults, excellent for killing boring time and stress release. It's not only a toy, but also a good desk decor for office or home.
• 【EDUTAINMENT】Most of us, including kids or adults, love to play all kids of toys, but usually we will never think about why and how the toys work, so play is just play. By playing this newtons cradle balls, it will highly inspire us to better learn a