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Show How to Make a Boomerang. Almost ovcry boy has hoard of tho Australian boomerang, tho weapon which tho savages in Australia throw with such unerring nnd deadly skill. Any boy can make ono of theso for himself out of cardboard. Cut a plcco of enrdboard tho shape of n crescent, ns in Fig. 1, and round tho edges nlcoly off. Now support this between tho fingernail and finger of tho loft hand at an angle of nbout 45 degrees ns In Fig, 2. Then give It n vigorous "tip" with tho linger of tho right hand nt tho oxtrcmo.cdgo of thu cardboard. It will bo :ont spinning Into epaco, and will Invariably return to the hand, or ncAr It. After n little practice objects enn bo hit with absolute accuracy. Tho easlof t wav to mnko It Is to cut out Fig. 1 and paste It on tho card-board card-board and run your knife along the back lino. |