Mine got all jumbled so i took it apart to fix it and it worked.(plus its really fun to take stuff apart)
Step 1: Materials
This is a very easy project, the only materials you will need are 1 the launcher 2 a Philips head screw driver 3 string 4 scissors
Step 2: Disassembly
1 Unscrew all the screws. 2 unscrew screws from circle thing. 3 take out old string 4 put in new string. 5 reassemble circle thing.
Step 3: Reassembly
Just follow the pictures. Comment on any questions you have. Thank you