More info: https://docs.ssomar.com/executableblocks/compatible-plugins#itemsadder
Download: https://www.spigotmc.org/resources/%E2%AD%90-executable-blocks-%E2%AD%90-custom-traps-generators-builders-triggers-animated-effect-blocks.94696/
Free: https://www.spigotmc.org/resources/custom-blocks-free-executable-blocks.93406/
Not tested