Oh dear! Materia tried to build a boat out of paper towels and it’s gone all soggy and sunk! Choosing the right stuff for the job is a very important skill to learn. A) The Tale of the Wooden Chair and the Glass Chair. B) You want to make a soft, cuddly teddy bear. Should you use scratchy sandpaper or fluffy fabric? C) Let's play a guessing game: is this object hard or soft?