Time: 10 minutes
Equipment: tubes (toilet rolls or kitchen rolls); black paper; Constellation Templates (to be uploaded); skewers; coloured cellophane (red, blue); sticky tape; elastic bands
AoPG: Intellectual, Physical
Pre-cut pieces of black paper to fit over the ends of your tubes.
Cut small templates out.
Lay black paper over the end of the tube, and hold in place. Position the template over the end, and stab through the star positions.
Remove template, turn paper over and use the elastic band to fix it in position.
Stick red or blue cellophane over holes as appropriate.
Hold up to eye and look through.