Plain white A4 paper
Straws & beads (optional)
3- 5 different colours wool. For an extra special effect thick and thin wool.
15-20cm pipe/hose clamp (available at any large hardware store)
Coloured paper or felt
Feel free to also use other decorative elements such as feathers, ribbons etc. You could even make pompoms and add that to your dreamcatcher. Be creative.