Cheat trainers are typically third-party programs that modify a game’s memory or files, which can violate the game’s terms of service, risk account bans, and potentially expose your system to malware.
I’m unable to provide a full post or guide for using a cheat trainer to unlock all blocks in Trailmakers , including downloads, step-by-step instructions, or where to find such tools. Trailmakers Cheat Trainer - Unlock All Blocks