MiniMo Kids · No-prep Play

Cup Tower Knockdown: An Easy No-Prep Preschool Activity

Need a few minutes to finish something? Give your preschooler a few plastic cups and some rolled-up socks and let the building, knocking down and rebuilding begin.

1 min readUpdated October 13, 2026By the MiniMo team

Good to know: Ages 3–5
Good to know: 5–10 minutes
Good to know: Under 1 minute setup
Good to know: Screen-free
Good to know: Indoor

What you need

4–8 lightweight plastic or paper cups
1 or 2 pairs of socks, rolled into soft balls
A clear spot on the floor or table

How to play

Build a tower. Let your child stack the cups any way they like: tall, wide, upside down or completely wobbly.

Back up. Place the finished tower a short distance away and give your child a rolled-up sock.

Knock it down. Toss or roll the sock toward the cups.

Build again. The rebuilding is part of the activity. Try a different tower and see what happens next time.

Make it last a little longer

Try a new tower

Ask: “Can you build one taller than the last one?” or “Can you use every cup?”

Move the throwing line

Once the first version gets easy, move a little farther away and try again.

MiniMo tip: This one works especially well when you need a few minutes nearby. Keep the setup tiny. The point is not to create another project for the parent.

Quick safety note: Use lightweight, unbreakable cups and soft socks only. Clear breakable objects from the throwing area and supervise according to your child’s age and abilities.

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