Here is Mr McMarvel’s friendly robot, Rupert:
Lots of things happen to Rupert in Mr McMarvel’s Amazing Machines, which I am delighted to say is at this moment Number 1 in Kobo’s Children’s books featuring robots. http://store.kobobooks.com/en-US/ebook/mr-mcmarvel-s-amazing-machines
Here are some of Mr McMarvel’s other inventions.
The Grunts, Squeaks and Scary Noises Machine:
The Butter Your Toast Machine:
The Doughnuts Without the Dough Machine:
The Bouncing Nutty Locator:
The Dappled Ice-Cream Maker
What sort of machine would you invent?