Mrs JL would love something girlie from her three men. Take it from me - similarly outnumbered!! (You sound like a whizz in the kitchen though, so make sure you bring your boys up the same - not afraid of cooking. Something I feel strongly about!!)
Modelling dough is great to make, as Hellyon said in that fantastic list (duly saved for reference now!) but Early Learning Centre do air-hardening clay which is even better, as you can keep the best models then paint them when they've gone hard.
Something we do quite often on a sunny evening is bath in the paddling pool. Instead of filling up the bath, I let them have a much warmer pool outside and put their bubbles in too - they always think that's great! The lady next door thinks it's hilarious and comes round to watch. (Not quite how that sounds!!)