10 years, 2 months.
While your sister has been using the new folding cushion beds to make a house downstairs in the living room, you and your friend Levi are using them to construct a military fort; as you shoot at each other with Nerf guns. (Your sister likes to hang out right in the middle of the action!)
It’s a good activity in the dead of winter, during Covid Culture:
Invite a friend over to the house on Saturday morning and play live action Fortnight, in between rounds of Battleship eating pizza.
Sounds perfect for a 10 year-old boy.