This activity is for the 2nd grade of Primary Education. The objective, belonging to the subject of Natural Science, is to know the different materials and their characteristics. We will use the technique learnt in the course “story seeding”, giving the students the next words: straw, sticks/wood, bricks/concrete. We can show them pictures or the real materials. We will talk about them saying the shape, colour, size,… If possible, we will let the students touch them, and we will introduce new words in order to describe them. The students will try to imagine a story involving these three materials. We will encourage the students to be creative, using the vocabulary learnt. After that, we will show them the video ("Silly Symphony, The three little pigs"). We will do some games with the flashcards of the materials, with word and picture cards, putting the pairs together, using the memory to hide and find them, putting the flashcards in different places of the classroom and mak