Right then, if your kid has the attention span of a goldfish like mine, this is the one. 7 days from sowing to eating. What You Need Egg box Cotton wool or kitchen roll Cress seeds Water Marker pen Empty egg shells Steps Draw face on egg shell. Wet cotton wool in egg box. Sprinkle cress seeds thick. Water daily — don’t drown. Day 7 haircut — cut with scissors and eat on egg mayo. Top Tips If it goes mouldy you sowed too thick — try again. I do it all the time. Show me your ha