Perhaps you or someone in the family would like some help in identifying trees. If so try:
http://www.forestry.gov.uk/forestry/infd-5g2kv3 (an excellent guide)
http://www.nifg.org.uk/wintertrees.htm (identifying trees in winter) for starters or ....
the woodlands tree identification pages http://www.woodlands.co.uk/blog/tree-identification/
this offers some 20+ links to various trees, showing the leaves, the fruits / seeds,
http://www.teachingtrees.org.uk/ (offers a number of online activities to help children ‘know their trees’)
http://www.woodland-trust.org.uk/discovery/images/treeid_activity.pdf (a series of worksheets for children on leaves and fruits)
If you would like to learn more then the Field Studies Council offers courses on Tree identification in a number of their centres - see: