I would like to see the electricity needing a constant source, not just endlessly present. Gas to rise, make a purpose for the ants, bees, fish, plants. Maybe ants eat plants, bees pollinate/produce more plants.
Also an easier way to change the radius as my scroll causes the page to go up and down.
Love these games, till a little around half way of finding everything, then I can't remember what Ive tried, and when more then one combination makes the same thing. It would be really cool if once you've make something you can't make it again.