Questions with the keyword 'invention'

• how long does it take normally for an invention to be made by bendevolfc796 to Zoe, Sheryl, Shahil, Emma, Andy, Andres Comments: (No comments so far )
• What is your favourite invention and why? by Mini Corriander to Andres, Andy, Emma, Shahil, Zoe Comments: (No comments so far )
• What is the most coolest invention you have made. by 776amph45 and 1 other. to Zoe, Sheryl, Shahil, Emma, Andy, Andres Comments: (No comments so far )