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I build and fight combat robots. Think Battlebots but smaller.
I'm getting my kids started with LEGO Mindstorms! Sumo bots is the first idea that came up.
... I think my 13yo wants to go bigger. Welding, anyone?
I'd go with 3d printing before welding. You can so quite a bit with a 3d printer and the CAD skill you gain are quite useful. I printed most of the parts for my 3lb robot and it heald up quite well.
Thank you! He is actually looking into 3d printing but has not bought anything yet. I'd hate for him to spend too little and have a crappy experience with a poor printer; much rather pay some extra to have a solid start.
They are actually learning CAD/3D drawing at school - how cool is that??! Back in my day we had Commodore 64 and had to remember to press Enter before the line ended, because there was no such thing as automatic word wrap. Times have moved on!!