Buy Build Tone Heaven! Welcome to Schematics, wiring diagrams and detailed instructions for the best DIY Stompbox effects Projects on the internet. Ready-to-Solder PCBs or Complete Stompbox Kits are available for many of the projects. Contact us if you have any questions. And don’t forget keep up with the News and to follow us on FaceBook. on SALE this month in the store Klon and Big Muff Kits on Sale! On sale this month Klon Centaur Replica Kit and Big Muff Replica kit are on sale! 10% off original prices.