Understand How a Crane Works Before you start building, it is important to know how a crane functions. A crane uses a ...

Help your construction-loving child create his own homemade crane. Cut a circle in the top of the cardboard box so that with a bit of pushing and squeezing, the paper towel rolls fits tightly into the ...

Above the din of excited chatter in an Astoria classroom, a group of fourth-graders eagerly watched a live demonstration on how to fold a paper crane. The students had written messages of hope on ...

Thanks to its corrugated construction, the Cardboard Robot lets you command your own industrial-size claw or film crane for a fraction of the cost of a metal arm. Freelance writer Amanda C. Kooser ...