STEAM / STEM : Rainbow Science for Kids: Homemade Spectroscope using a paper towel roll (cardboard tube) and a CD Such a fun way to children to explore the light spectrum!
Diy en carton / tall Cardboard Christmas Deer Family Free by MettaPrints
I was inspired by this post from Krokotak and this from the Crafty Crow. Birds and recycled cardboard? You have me at my happy place!