Questions with the keyword 'invention'

• If you were to invent anything in the world what would it be??? by SALSM07 and 1 other. to Bobs, Roisin, Karen, Dave, Cathal Comments: (No comments so far )
• Which invention had the most life changing effect do u think.e.g.electricity ,telephone by DLANG to Cathal, Dave, Karen, Bobs, Roisin Comments: (so far, 2s comments )