Specificaties:

• category: model
• Function 1: Perpetual motion machine balance ball
• Function 2: Newton put the ball
• Function 3: Balance model of steel ball
• Hanging form: Place adorn
• Materiaal: Plastic
• modelling: Celestial orbit
• Oorsprong: Cn (Oorsprong)
• Product number: Celestial perpetual instrument
• size: About 18 x18x5. 8 cm
• Stijl: Modern
• style: Chinese style
• The material: Wrought iron + plastic