A large piece of corrugated cardboard, and find a few pieces of string, a few large plastic bags. First cut the corrugated cardboard into a figure of six squares joined together, then glue them together with 502 glue, followed by a few circles of clear glue around it (note: don't glue the lid used to hold the egg!) ), and if you're not limiting the weight, you can also reinforce it by cutting corners out of cardboard that will just wrap around the squares. Next, stuff the box with protective material such as: foam, sponge, cotton ...... Also make a protective lid out of foam or sponge that is about as long as the sides of the square. Then, take the square box and put four holes through the center of the four sides, which can be used for stringing in the future. Now, all that's missing is the parachute. The parachute is best made from a public **** oversized garbage can plastic bag (the kind without a carrying handle), split it in half, turn it into a rectangle or square, and use four pieces of string to pass through each of the four holes, and then tie each of the four pieces of string to the four corners of the plastic bag, and tie it tightly with a dead knot, and you're done. You just have to wrap the egg in paper or fiber paper or something like that, seal it with clear glue, then put on the protective cover, then cover the square with a lid, seal it with clear glue, and you're off to the races. But this device has a fatal flaw, that is, it is easy to flutter with the wind. However, this device is thrown from the fifth floor is absolutely not broken eggs.