Children can take part in a guided walk, while spotting creatures in the forest.
The 'monster walk' will take place on March 17 in Hainault Forest Country Park in Forest Road.
Youngsters can also make their own monsters to add to the forest trail.
The free session starts at 10.30am and runs until 3.30pm.
For more information call Tony Chadwick on 07985 069800 or email firstname.lastname@example.org.