This little guy looks fun.

QuoteI'm not just one robot, I'm a whole universe. Click varies of modules together, and build a lot of me! A snake with 6 legs? No problem! A car with 4 feet? Yes, why not! A Godzilla that throws things everywhere with its tail? Oh, that's wild! I'm exactly as wild as your imagination.

More at their website: https://keyirobot.com/