I build real LEGO robots.
I'm a robotics engineer and teacher.
I design custom LEGO models on commission:
1) industrial models and robotic systems for companies that want to stand out in trade shows
2) educational LEGO Technic and robotic models based on existing LEGO products, for STEM learning companies, camps, teachers
3) bespoke LEGO designs for corporate gifts and custom kits

You can also find tutorials to build and program LEGO robots with LEGO Education products (LEGO MINDSTORMS, LEGO SPIKE, LEGO WeDo), and LEGO BOOST.