ten little fingers - arvind gupta (4 mb pdf)

ROTATING FAN1. You need the body of a dried up sketch pen,a thin reed from an old phool jhadu or anempty ball pen refill, a 5-cm long pencil, somethread and ordinary tools.2. Take the outer body of the sketch pen andcut off its tapered end. With the help of ascissors make a 6-mm hole in the middle.3. Tie a smallpencil at rightangles to thephool jhadureed about 1cm from thetop withthread. Tieone end of a50-cm longpiece ofthread tightlyto the reed.4. Place thephooljhadureed in thesketch penbody. Removethe other endof thephooljhaduthread fromthe hole of thesketch pen.Turn the pencilround andround so thatthe thread iswound on thereed.5. Pull the stringwith a jerk andrelease it. Thisaction will causethe reed to rotate.This rotarymovement willcause the stringto get rewoundon the reed. Thestring should bepulled with a jerkand re- leased tomake it rotate.SPINNING SODA-CAP1. Hammer a soda bottlemetal cap to make it flat.Hammer two holes with a nailin this disc.The hole should beat the same distance from thecentre.2. Take 1-metre of string.Weave the string through thetwo holes of the disc and tiethe ends into a knot.3. To wind the toy first hold thetwo loop ends of the string in yourfingers and give it a few twists.4. Once there are several twists on either sideof the disc, quickly pull the string by movingboth your hands apart. Bring your hands closeagain to release the tension in the string. Thetoy will get rewound in this process.5. Bringing the hands close and taking them apartwill keep the disc in motion. A bit of practice willmake you a skilled player of this toy. You can alsomake this toy with a big button or a cardboard disc.