Hi everyone,
 this is a switch designd by yardking. Because his is just for golf balls I post here my version for knex balls. It works with modules. You'll have so many paths as you have modules plus one. Have fun with building it up and thanks again to yardking.
 
 (Hope everything is spelled correctly, i'm German)
 
 
 Step 1-8 are building the modules
 Step 9 is building the modules together
 Step 10 is building the hed
 Step 11 is building the tail