Knex Button Holder No.2 By lopina in LivingLEGO & K'NEX6843Introduction: Knex Button Holder No.2By lopinaFollow More by the author: About: An innovator who loves to build with anything. Ask me to build stuff if I can. More About lopina » The newly upgraded one! Hope this helps for PKMN TRAINERS for daycares. Also works for gameboys I think. Step 1: The First PartStep 2: Step 3: Step 4: Step 5: Step 6: Step 7: Step 8: Step 9: Step 10: Step 11: Step 12: