We often use made from when we talk about how something is manufactured.
We use made of when we talk about the basic material or qualities of something.

Quizá no lo sepáis, pero abril es el Mes de la Tierra. Es hora de hacer pequeños cambios, cambios que pueden ayudar a salvar nuestro planeta en muchos aspectos.
En el marco de esta celebración, aprovechamos la ocasión para mostraros vocabulario relacionado con este tema.

Hello! How are you today?
Yeah, you're probably thinking about how fast the Easter holidays have  passed and about how many days are left until school's finally over...  But don't be sad!
Today we are showing you some idioms about school. You can practise them and ask us as many questions as you wish.  And cheer up! It's springtime!