PVC PIpe Ideas
Crumpled Paper Art Activity for Kids: inspired by the children's book, Ish, by Peter Reynolds~ BuggyandBuddy.com
Ping Pong Art! Similar to marble painting (but using ping pong balls and straws), the children can create a lovely painting... I especially love the idea of this as a large-scale project!
Kids Craft - Up-cycled Paper Cup Duck Family DIY