a chick

a hatchling

an infant

a hen

pig

friend

pup

cub

herd

help

held

heap

foods

pencils

shelter

castles

in a cave

coral reef

on treetop

under the rock

A nest.

A hotel.

A tall tree.

A den.

They use it to play.

They don't know how to use tools.

They are hungry and need a tool to open their food.

Tools help them to climb higher.

He smashes the shell open by a rock.

He plays with the rock.

He dosen't know how to use a tool.

He is crying.

She finds a stick and flips it open.

She has a hammer to crash it.

She has a knife to cut it open.

She puts a rock on her stomach and smashes the clam against it.