You can easily capture your kid's attention by an origami artwork that will not get out their excitement during the process of making one, but also let their imagination run wild while playing with it. There are plenty of such origami designs that can be made out of paper and are fun to play with.
Have you heard of the Japanese Katana Sword? If not, then follow this YouTube link to make a sword that your little one can swish in the air and let out the little warrior within him.