ของเล่นคลายเครียด ลูกตุ้มเหล็กโมเมนตัม สำหรับตกแต่ง ลูกตุ้มนิวตัน ลูกตุ้มฟิสิกส์ วิทยาศาสตร์ สำหรับตกแต่งโต๊ะ

*** ยินดีต้อนรับสู่การใช้ Daily Use ***
❤เปิดร้านใหม่ ส่วนลดเพียบ
❤รีบหยิบใส่ตะกร้า
❤ สินค้ามีในสต๊อก
❤จัดส่งฟรี
❤สนับสนุนการชำระเงินค่าค็อด

This device demonstrates demonstrates conservation of momentum and energy via a series of swinging balls. Pull back one or more of the balance balls release them and the same number of balls will swing up on the opposite side.

Features:
Excellent educational science gadget. Not only demonstrates a pendulum but also shows the laws of conservation of momentum and energy.
Science toy. When feeling tired of studying and working you can stir balls to hear the clinking sound to ease.
Excellent educational & science gadget own your very own piece of scientific history and explore significant values of physics.
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 for home ornament study or office desk table decor accessories etc. Also good for birthday gift and children toy.

Specification:
Condition: 100% brand new
Material: Paint base + solid pendulum + boutique fishing line
Color: Sliver
Size: 18.5 x 12 x 20cm / 7.28 x 4.72 x 7.87 inch(appr.)

Package Included:
1 x Balance Balls Toy

Note:
1. Please allow 1-2 cm error due to manual measurement and make sure you do not mind before ordering.
2. Please understand that colors may exist chromatic aberration as the different placement of pictures.

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