# Watch a ball drop through a tube

Canonical URL: https://www.kigomo.com/cards/watch-a-ball-drop-through-a-tube

Last updated: 2026-10-12T19:22:46.747Z

Prop a wide cardboard poster tube at an angle on a cushion\. Drop a soft ball or a rolled\-up pair of socks in the top and let your toddler watch it roll out the bottom, then help them drop one in\. Try it from different sides\.

## Activity facts

- Age range: 1–3 years
- Duration: 10 min
- Location: At home
- Category: Montessori
- Type: Activity

## Why it matters

Watching a ball disappear and reappear helps your toddler see that things keep existing out of sight, one of the first ideas about how the world works\.

## Benefit

Hide and find

## Materials

- Wide cardboard poster tube
- Soft ball or rolled\-up socks
- Cushion

## Safety note

Use a ball or rolled\-up socks too big to fit through a toilet\-paper tube \(about 1\.75 in / 4\.5 cm\), and stay within arm's reach\.