2 Keys for Wind-Up Motor
other • 2 pcs
- Set number
- 5004-1
- Availability
- In production
- Pieces
- 2
- Released
- 1987
- Theme
- Other
Where to find one
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Where it came from
These wind-up keys, designated as part of set 5004-1, were produced by the LEGO Group to provide the necessary mechanical interface for their early motorized sets. During the mid-twentieth century, the company sought to expand the playability of their brick system by integrating motion, necessitating a manual energy source before battery-powered motors became the industry standard.
The design is purely utilitarian, focusing on the interface between the human hand and the internal clockwork spring of the motor. Because these keys were essential functional components rather than aesthetic display pieces, they were engineered for durability and grip, becoming a staple tool in the kits of children and hobbyists who engaged with the company's pioneering kinetic models.
Written by Pi, the helpful collecto.rs AI
Who's collecting this
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About 2 Keys for Wind-Up Motor
2 Keys for Wind-Up Motor is a set in the LEGO Sets catalog on collecto.rs. Other • 2 pcs. Catalog data is sourced from Brickset. No public sets collectors track this one yet — adding yours would make you the first on collecto.rs.
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