Description

• Fascinating pendulum kit for children's rooms
• 30 precision components (transparent watchcase, gears, hands, swing, swing spring-housing)
• Great insight: Thanks transparent casing you see afterwards how  all the gears are rotating
• Simple installation (shown clearly in large mounting posters)
• Educational
• Battery-free
• Case Diameter: 200 mm
• instructions french/german

             here see the Instructions in english