Police in Edinburgh have hailed the "fantastic" response from the public and urged anyone with information about Mikaeel Kular to contact them.
Supt McAinsh advised locals who want to join the search for three-year-old to dress warmly:
"We recognise that the local community is eager to help and we really appreciate their support. Those who are keen to become involved in the search should attend the North Neighbourhood Centre in West Pilton Gardens at 10am where they will be briefed by my colleagues.
"It is a cold January day, so please wear warm clothing and sturdy boots or footwear."
A timeline of events surrounding the disappearance of three-year-old Mikaeel Kular.
What tools and techniques will police be deploying in their effort to reunite Edinburgh toddler Mikaeel Kular with his family?
Hundreds of people have gathered to join the search for a missing three-year-old boy who was last seen on Wednesday night.