I remember having to lay the chairs on their sides to prevent table dancing with the other two kids, but not this young! She will be 11 months in a few days. Yesterday, she climbed to the second rung of the bunk bed ladder and would have kept going if I didn't stop her. A few days ago, she brought a toy drum over next to a five gallon bucket, so she could use the drum as a step to get onto the bucket. As long as she doesn't start jumping off everything like her sisters do!
It really is true though that they are often capable of so much more than we give them credit for. I have found with all three of mine that by my taking their little dare devil stunts in stride, they are actually quite safe, because they learn quickly what their bodies are capable of. They are confident, strong and agile, and this keeps them much safer than parental helicoptering ever could.