Lol. Tricycle mountain bike. I think a good idea would be a magrail that could launch planes into the air that way you could go from NYC to Shaghai in about 20 minutes.
so...in world war 2..the germans used tanks..and...they were...very important and...they um well they had very hmm i dunno well i had hmm ehh kinda good accuracy
Not a really great idea here. You'll have to think of what technology we have now and is it possible to invent a newer technology or use our current technology to build the idea you're on now. If not, it's baseless and useless. Sorry for this mean compliment.
