Most of the T&G you'll find at home centers and lumberyards is 1x6 or 1x8 spruce. But other wood options and sizes can be special-ordered. Some boards are rough on one face and smooth on the other. Others, like the 1x8 boards used here, have a groove down the middle of one face to give the impression of more, narrower boards. Most stores carry 1x4 beaded ceiling board as well. These tips apply to any of the styles.
This is a great activity for k and It is a great way to teach the 5 senses. This allows students to understand and interact with the 5 senses. This could be used for engagement and also representation. Students can show each sense using Mr. Potato Head