All articlesWeek 34

Drop It In! The Ball and the Box

For babies around 8 months old · Object Permanence · Fine Motor · Cause and Effect

Why this week matters

A few weeks ago, your baby learned that a toy hidden under a scarf does not disappear — it is still there, waiting to be found. This week, that idea gets an upgrade. Around 8 months, babies begin to understand that an object can travel: it can drop into a hole, vanish from sight, and come out somewhere else. Watching a ball disappear and reappear again and again is how your baby builds a mental map of how the world works — and it also teaches the wrist and fingers the tricky skill of letting go on purpose.

This week's activity: The ball drop game

You'll need: a small ball (bigger than your baby's fist), an empty cardboard box or a wide steel dabba, and a cushion or mat for baby to sit on.

  1. Sit on the floor facing your baby, with the box between you. Cut or open a hole in the top of the box, big enough for the ball to pass through easily.
  2. Hold the ball up, say "Ready... drop!" and let it fall through the hole. Then open the box with a big smile: "There it is!"
  3. Now hand the ball to your baby and hold the box steady. Let them try. At first they may just bang the ball on top — that is completely fine.
  4. Each time the ball goes in, celebrate and let your baby find it. The finding is just as exciting as the dropping.
  5. Repeat as long as your baby is interested. Many babies want this game ten times in a row — that repetition is the learning.

Make it your own: Try different objects — a soft cloth ball drops silently, a wooden ball makes a satisfying "thunk". Or use a clear plastic jar so your baby can watch the ball fall all the way down.

What your baby is learning

  • Object permanence — knowing that things still exist when they can't be seen. This is the same understanding that will later help your baby feel calm when you leave the room.
  • Voluntary release — opening the fingers to let go at the right moment is much harder than grabbing, and it is the foundation for stacking, sorting, and self-feeding.
  • Cause and effect — "I drop the ball, I hear the sound, I find it inside." Your baby is running little science experiments with every drop.

Make it easier with Kizoplay

Object Permanence Box — ₹935. A classic Montessori box with a perfectly sized hole and tray — the ball drops in, rolls out, and invites baby to do it all over again. Shop now →

Good to know

Always use a ball that is larger than your baby's fist so it is not a choking risk, and stay close during play — at this age, everything still goes to the mouth. And remember, every baby develops at their own pace: if your little one only wants to mouth the ball or bang the box this week, that is exploration too. The dropping will come when they are ready.

This is Week 34 of the Kizoplay 52-Week Play Series — one simple, science-backed activity for every week of your baby's first year. Explore all our Montessori play kits at kizoplay.com.