What You'll Need
1 piece of posterboard or thin plywood, about 1 to 1 1/2-foot square (30 x 50 centimeters)

A variety of building supplies:
scrap wood, cardboard, posterboard, construction paper, straws, cardboard tubes, pins, nails, corks, tape, glue, plastic cups, paper cups, Styrofoam cups, plastic wrap, plastic bags, wire, Styrofoam balls, Styrofoam packing blocks, and anything else you can think of.
A variety of tools:
hand saws, hammers, screwdrivers, pliers, clamps, utility knives, diagonal cutters, scissors, sandpaper, etc.

Note: You may want to modify tools and materials for younger family members. Use the necessary caution when using any of the tools listed.

What's Going On
This activity helps illustrate the differences between our environment and that of the Moon. Many of the things that are required to sustain life such as an Earthlike atmosphere, climate, and gravity need to be recreated on the Moon. This activity demonstrates some of the challenges that will need to be overcome if we ever decide to build a permanent settlement on the Moon.