Questions with the keyword 'invention'

• have you ever made an invention? if so what? and if you haven’t what would you invent? by alishac and 1 other. to Anzy, Aoife, Dave, Matt, Tomasz Comments: (No comments so far )
• What’s your favourite invention? by chrisb97 and 1 other. to Tomasz, Matt, Dave, Aoife, Anzy Comments: (No comments so far )