Amusement device with sparking means
作者： Francisco Bicalho Domingues
DOI:
关键词:
摘要: An amusement device (10) with sparking means (30) comprising a central housing (12); an axel (16); support (14); plurality of wheels (18); rudder member (20) affixed to wind-up handle (22); friction disc (24); rotatable arm (28), and rotating (26).
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