ZoomiesSign in
Relaxation

Cardboard City

Save your delivery boxes. Your child will build an entire city out of them, and the project might last all week.

Ages 3–1025–90 min1–4 kidsHousehold items

Cardboard boxes are developmental gold. Give a child a pile of them, some tape, and a floor to work on. What happens next. Houses, towers, tunnels, cities, entire worlds. Comes entirely from them.

What you need

  • cardboard boxes (any size, 3–5)
  • masking tape or sticky tape
  • optional: markers for decorating

How to do it

  1. 1Put three or four boxes of different sizes on the floor. Add a roll of tape. That's the whole setup.
  2. 2'You can build anything.' Then step back. This part is not negotiable.
  3. 3For children under 4: one first suggestion only. 'What if the big one is a house?' Then leave it.
  4. 4Don't clear it away at the end. A city that survives the night becomes more interesting by morning.

Variations

  • If they ask for help building, ask instead: 'What would happen if you tried this way?' Let them problem-solve.
  • Don't clear the city away when play stops. It survives the night and becomes more interesting by morning.

💡 Parent tip

Resist the urge to improve it. The wonky tower they built independently is better for their development than the straight one you'd have helped build.

What your child develops

  • Spatial and structural reasoningunderstanding how things stay up
  • Creative problem-solving with open-ended materials
  • Sustained independent playcardboard projects can hold children for hours across multiple sessions

Safety notes

  • Check boxes for staples before handing to young children.

More for “Stuck inside

See all