ten little fingers - arvind gupta (4 mb pdf)

COLOUR MIXERS1. You will require an old postcard,card-sheet, a pressbutton,needle, thread, a divider,scissors, glue and differentcolours of gelatine paper (blue,red and yellow are essential).2. Fold an oldpostcard intothree equalparts.3. With the help of a divider cut threeoverlapping windows on the postcard.4. Stick three different colours ofgelatine paper on the windows. Blue inthe middle and red and yellow on thesides. View through these windows oneat a time.5. Then fold the redwindow on the blue one.Do you see purple now?Fold the yellow windowon the blue. Do you seegreen now?6. Cut two 10-cm. discs from card-sheet.Cut five circular windows in each disc with adivider.7. Stitch one half of the press-button in thecentre of one disc and the other half in thesecond disc.8. Stick different colours of gelatine paperson the windows. Now assemble the discs bysnapping the press-button. Attach twocardboard handles to the discs. The handleswill help in rotating the discs.9. Rotate one disc while keeping the otherstationary to see a motley rainbow of colourson your colour wheel.