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I highly recommend a crib tent. I started using one when my son was 10 mos and starting climbing out of his crib. I have the one that has mesh around all four sides along with the tent on top which is great because nothing can fall out or be put in that you don't want in. It is actually closer to $70 but worth every penny. The only problem is that eventually my son figured out how to work the zipper open, which I'm sure your 2 yo could easily figure out from the outside, even with the zipper tucked in like it is supposed to be. I just solved that problem with a safety diaper pin. I can't say enough about the peace of mind the crib tent will provide!
