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Interchangable Blade Knife Toy for Children's Kitchen — image 1
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Interchangable Blade Knife Toy for Children's Kitchen

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Interchangable toy knife for children's kitchen with simple locking system

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Model information

License
Creative Commons — Attribution — Share Alike

Pictures: 

  1. The blades and the handle, standard blade inside
  2. the knife handle
  3. a closer look at the cut in the handle on the inside
  4. the blade locking system
  5. a real world picture of a 3D-printed blade locking system and the prongs on the end
  6. a demonstration of how to put a new blade in the handle by pushing the prongs into eachother
  7.  and 8. the serrated/cleaver blade inside the handle with the others on display

This model consists of the following items:

  • 1x knife handle
  • 3x blade locking systems
  • 1x standard blade
  • 1x cleaver blade
  • 1x serrated blade

The blades are made of plastic and have no sharp edges for children to accidentally hurt themselves with. 

The way the locking system works is that there is a loft cut inside the handle, allowing the prongs of the blade locking system to expand inside. This system will remain stable during normal play but will come out easily with a tug, allowing the different blades to be easily changed.