Mildly irritated as this isn't the first time.
MIL is visiting which is lovely. Offered to take the kids out on their bikes (fine very helpful i can have a tidy). This usually means going up and down our cul-du-sac. Gone out 5 mins later and they've vanished. Ok Not really a problem.
Its now dinnertime they've been out for an hour. Called MIL, she's left her phone here.
We are surrounded by busy roads, kids are 3 and 5 and both learned to cycle without stabilisers in the last few days. MIL doesn't live here and doesn't know area well. She's mid 70s. (But fit and well)