These tools will enable you to construct any of the investigation columns on this site. Some of these items are not critical - you do not need to use a razor to start bottle cuts, for example, or a tapered reamer to enlarge holes - but they can make construction easier.

• Box top or drawer to stabilize bottle while making cutting lines
• Marker, wax pencil or crayon for drawing cutting lines
• Cutting blade or utility knife to start cut
• Scissors to cut bottle
• "Poke," darning needle or diaper pin to make air holes
• Awl to make holes in bottle caps and film cans
• Tapered reamer for enlarging holes
• Paper punch for making large holes in thin plastic
• Clear waterproof postal or bookbinding tape to join columns
• Silicone sealant to waterproof joints
• Clothes line, polyester or nylon craft cording
• Small inexpensive electric soldering iron
• Hair dryer
• Plant Light House