Smartiboat

A small R/C speedboat that uses the circuit board and battery box from the Smartibot kit along with a cheap toy outboard motor and micro servo.

You can get your Smartobot kit here:
https://www.kickstarter.com/projects/460355237/smartibot-the-worlds-first-ai-enabled-cardboard-ro/faqs

I got the outboard motor here:
https://www.alwayshobbies.com/model-boats/running-gear/hobbies-hi$9speed-outboard-motor-for-model-boat-or-dinghy