How to make a Cress Porcupine

Cress Porcupine

 

Recycle and grow at the same time with this Cress Porcupine!

Cress is so easy and quick to grow, it’s an old favourite as a kids activity – other cress ideas include an eggshell or yoghurt pot which is painted with a face.

The Cress Porcupine grows porcupine spikes rather than hair!

 Cress PorcupineYou will need:

  • A small plastic drinking bottle (square rather than round)
  • Googly eyes
  • Kitchen paper
  • Cress seeds
  • Water
  • Cling film/Saran wrap

 

How to grow a Cress Porcupine…

See steps in photos

  1. Lay the plastic bottle on it’s side and cut out the top side of it. Keep the plastic near the front of the bottle opening in tact.
  2. Stick some googly eyes on near the bottle opening.
  3. Take 5 pieces of kitchen paper and place them on top of one another.
  4. Fold the paper in half and then half again.
  5. Run the paper under running water quickly and on both sides. It should be wet but not dripping.
  6. Place the wet kitchen paper inside the bottle. You might have to cut the end of it off for it to fit.
  7. Sprinkle a thin layer of cress seeds over the wet paper – make sure they are evenly spread.
  8. Cover the bottle in cling film/Saran wrap so the seeds are sealed in. We’re creating a greenhouse effect.
  9. Put the Cress Porcupine in a dark, warm place until the shoots are 1cm tall. Then move it to a windowsill. The cress will be ready to eat in 12 days maximum from when you first plant it.

 

Tips for growing cress..

  • If you only have a round bottle, steady it by putting four pieces of plasticine at the bottom. These can be made to look like feet.
  • Keep a close eye on your cress. You need to check on it every day and make sure the kitchen paper is always wet.

 

Print me A4 or US Letter

More United Nations theme activities >>

More indoor activities >>

 

 

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