You can use a variety of small items as the objects to search for inside the tube. Clear Craft Tube with Lid (affiliate link).This was so easy to make and I had a lot of fun trying to decide what to put inside of it. in a comment in the blog post above) that kids will not only have fun making, they will have fun playing with it and challenging others to find the hidden items. It is a fun I-Spy game (suggested by Sarah S. (The clear tube challenge details can be found in this clear tube craft challenge blog post.) I found a little extra time this weekend, between remodeling our bedroom and attending a couple graduation open houses, to play around with one of the tubes a little bit. So far, I have received some great suggestions and feedback in regard to the current craft challenge.