stackingtoy

noun
UK /ˈstækɪŋ tɔɪ/
US /ˈstækɪŋ tɔɪ/

A stacking toy is a toy with rings or blocks that you put on top of each other.

The baby laughed as she piled the colorful rings of her stacking toy into a tall tower.


OTHER MEANINGS

2. A toy made of pieces that fit together in a fixed order to form a shape.

He sorted the stacking toy pieces by size before building the pyramid.

3. A developmental plaything used to teach young children hand-eye coordination.

The therapist recommended a stacking toy to help improve the child's grip.

4. A collectible wooden or plastic toy consisting of graduated parts threaded on a post.

This vintage stacking toy from the 1960s is now a sought-after collector's item.