Paint a Pebble
Find a smooth stone, paint it, leave it somewhere for a stranger.
Paper chains, lanterns and bunting made from what is in the recycling.
A long, calm making session ahead of any celebration, and the house looks different afterwards.
Working out how many links a chain needs is real estimation with a consequence, and children quickly discover they underestimated. Making the decorations rather than buying them also gives a child a genuine stake in the occasion.
Adult supervises scissors. Hang nothing near lamps, heaters or candles.
One bag for offcuts, kept for the next project.
Find a smooth stone, paint it, leave it somewhere for a stranger.
Every blanket in the house, one afternoon, one secret headquarters.
Flour, salt and water make a dough that keeps forever once baked.
A big box, some tape, and no instructions whatsoever.
They design the board, write the rules, and then make you play it.
Not a craft. An actual dish that the family eats.