Three cats, one hand, a whole story
Hand a child one puppet and they'll make it say hello. Hand them three and something changes. Now there's a cast. One cat is brave, one is cheeky, one is hiding behind the couch cushion. Children at this age are ready to manage more than one character at a time, and three puppets give them the practice without any setup.
The plush black fur is soft to stroke and the mini size sits neatly on a child's finger. Wiggling a finger to make a cat "walk" or nod builds the finger isolation children need for controlled pencil grip later on. It's gentle, repeated movement that children choose to do again and again, because the cat is the reward.
Where shy voices get braver
Some children find it hard to speak up in front of others, or to put feelings into words. A puppet takes the pressure off. The cat can say the thing the child can't, and you'll often hear longer, more detailed sentences coming from the puppet than from the child. Educators use puppets for exactly this reason: they support oral language and confidence at the 3 to 5 year stage, when vocabulary and sentence length are growing quickly.
Because there are three, they also work for sharing. Siblings or friends can take a cat each and build a scene together, which means negotiating who does what and taking turns in the conversation. That's early social play, with no rules to explain.
Growing with the stories
Black cats make good book partners. Try them alongside Slinky Malinki by Lynley Dodd, Bad Kitty by Nick Bruel or Splat the Cat! by Rob Scotton from your collection of picture books. A child who acts out a story with puppets is practising sequencing and retelling, the same skills used in early reading comprehension. Younger children copy the story. By 5 or 6 they start changing the ending.
There are no batteries and no sound, so they come along to cafés, waiting rooms and long car trips. Black cats suit Halloween, and they're small enough to fit in a Christmas stocking.