The activity is open to all ages regardless of the fact that it is a part of the Children's Fortnight celebration :-)
The details about this activity are here
To Register for this activity, just add your name, organisation and contact details here. Please incude a # before your entry. If you are from a school and would like to enter the names of a number of students, please do keep in mind that 40 is the upper limit of participants in the activity.