Fun activity for your kids at home: Take a square of paper or cardboard, and cut it into four pieces, as shown. Now try to put them back in the form of a square. This seemingly simple puzzle, has kept…
A very interesting burning candle experiment may be performed with two drinking glasses, a small candle end and a piece of blotting paper, says the Pathfinder. The glasses must be the same size and of the thin-glass kind. The candle…
A tube of tin, or cardboard, having an inside diameter to receive a candle snugly, is hung on an axle in the center that turns in bearings made of wood. The construction of the bearings is simple, and they can…
A Bobsled of Simple Construction Using Ordinary Barrel Staves for the Runners
Humane Rat Trap – Barrel Rat Trap – A suburbanite successfully trapped a bunch of rats by stretching a piece of stout elastic paper on the top of an open barrel. – – – Excerpt from: THE BOY MECHANIC –…
Wooden Lock with Combination Key – The lock shown in the sketch and detailed drawings is made entirely of wood, and it is nearly impossible to pick or open it without the use of the key. – – – Excerpt…
How to make squirrel traps – The various forms and schemes for home-made traps that have been devised, and which are to be found in use by boys all over the country, are countless, but there are of course a…
Wig Wag Signals and Wigwagging – Our tramp adventure was really quite a blessing to us, for it taught us the necessity of a good signaling system between the Goblins’ Platform and the island and led to our learning how…
How to Build a Canoe – Wood and Canvas Canoe Plans – excerpt from the book “The Scientific American Boy” by A. Russell Bond A strip of spruce 1 inch thick, 3 inches wide and 12 feet long served as…
Outdoor Water Filter - How to Make a Water Filter - The Barrel Filter - excerpt from the book "The Scientific American Boy" by A. Russell Bond