Best tree for climbing? I want to plant a tree that will be great for children...

I want to plant a tree that will be great for children to climb -- lots of low, string branches, and one that doesn't give past its sell-by date too much sap to ruin clothing and stick in spine. What kinds of trees manufacture good climbing trees?
I own a interview going on for my...
Answers:    Any of the nut trees enjoy branches that are low, spreading, and strong. They are perfect for climbing and own many other biddable quilites. Walnut trees and the closely related Hickory trees are probably my favorite, but keep within mind that you may be planting these more for your grandkids than your kids. They take a while to receive big.

The idea on Oaks is righteous too. They also will not grow really fast, but you usually can find them within a large Balled and Burlapped array which would give you a skipper start to growth.

Just don't try to plant a big tree yourself. There is a reason the nurseries own special equipment to do it.
Are pansies annuals or perennials?
Magnolias!!! My grandmother has one within her front yard that I swear must contain partially of mine, my cousins', sisters', and neighbors' childhoods. We spent more time in that tree than on the ground some summers. It meet your specified criteria and makes an excellent climbing tree.