I third exercise! My DS needs to run a few hours a day or inside gets hard! He also has his own cupboards in the kitchen, and other toys for specific rooms so they are always a bit exciting.

When he's getting frustrated inside I chase him, or give him options about other toys (he'll drop whatever crazily inappropriate thing he's picked up if he gets to make a decision about 2 other toys!)

Good luck, you can love them more than life itself and still be hanging out for bedtime sometimes

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