The repeating crossbow is a Chinese weapon in history. Here is a miniature one that you can print at home. it has a same mechanism as the original. The arrows are made with plastic from cotton buds, so it not dangerous for kids.
Here is a Repeating Crossbow information
https://en.wikipedia.org/wiki/Repeating_crossbow
and here is my Assembly guide and testing video.
https://youtu.be/kGNJxQwt4DQ
Enjoy :D
Printer Brand:
Up!
Printer:
Up Mini
Rafts:
Yes
Supports:
Yes
Resolution:
0.2
Infill:
100
Notes:
Printing area for "ALL-PARTS" files is 100 x 100 mm.
Need:
Rubber band
2.5 mm diameter Cotton buds (length = 40 mm.)