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Specifications

 

XL: Weight: 505g / a, 18.5cm * 15.5cm * 19cm, ball diameter: 2.25cm

Large: Weight: 420g / a, 18cm * 15cm * 18cm, ball diameter: 2cm

Medium: Weight: 230g / a, 13.5cm * 11.5cm * 14cm, ball diameter: 1.5cm

Trumpet: Weight: 95g / a, 9cm * 7.5cm * 9.5cm, ball diameter: 1cm

Physics of conservation of momentum, I believe high school, are familiar.


Material: stainless steel ball ball, brackets and base for the plastic

 

 

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