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creative z-shaped newton swing ball collision ball collision beads student science and education teaching aids chaos pendulum perpetual motion instrument toy ornaments

Original URL:

creative z-shaped newton swing ball collision ball collision beads student science and education teaching aids chaos pendulum perpetual motion instrument toy ornaments

创意Z字型牛顿摆球撞球碰珠学生科教教具混沌摆永动仪玩具摆件

EXW Price: Min. order:

USD $4.14
≥2/piece

USD $4.03
≥36/piece

USD $3.92
≥360/piece

2 piece

Weight 0.5 kg/piece

color

Specifications

Specifications		Stock	Quantity
z a regional name for billiards silver base(Z撞球银底座)	USD $0.0	199770 piece available
z a regional name for billiards red base(Z撞球红底座)	USD $0.0	199770 piece available