The following websites have some excellent Spanish resources:

Duolingo for Kids (https://www.duolingo.com/)

A colourful, game-based platform that helps kids learn Spanish through interactive lessons and fun challenges

Basho & Friends (https://bashoandfriends.com/)

Offers fun, animated videos, songs, and games to teach children basic Spanish phrases and vocabulary

The Spanish Experiment (https://www.thespanishexperiment.com/)

Offers free stories in Spanish, paired with English translations, making it fun for children to learn while enjoying short stories

PBS Kids - Spanish (https://pbskids.org/)

Features games, videos, and interactive activities that teach Spanish using familiar PBS Kids characters

KS1 Spanish - BBC Bitesize

Offers games, stories, songs and activities for KS1 Spanish

KS2 Spanish - BBC Bitesize

Offers games, stories, songs and activities for KS2 Spanish

Lightbulb Languages (https://www.lightbulblanguages.co.uk/estrellas-spanish-index.htm#col)

Offers many resources including links to videos, Power Points and sheet activities 

Crickweb (http://www.crickweb.co.uk/ks2spanish.html)

Offers interactive games and activities to support Spanish learning (aimed at KS2)

    Below are some links to specific songs, videos and stories: 

Songs

Alphabet: Learn Spanish alphabet and vowels with BASHO & FRIENDS - El Alfabeto - YouTube

Numbers: Contando Hasta 100 en Español | Counting to 100 in Spanish Song

Colours: Los Colores: The Colors in Spanish Song by Risas y Sonrisas SpanishforKids.com

Videos

Greetings KS1: Spanish Song For Children - "Hola Hola" (Song Only)

Greetings KS2: Learn Spanish Greetings - Hola Amigo - with BASHO & FRIENDS - YouTube

Seasons: https://www.youtube.com/watch?v=2s79YMrRgEU

Stories

Chicken Little: Pollito Tito - Chicken Little in Spanish with English subtitles

Turtle’s Flute: Turtle's Flute: Learn Spanish with subtitles - Story for Children "BookBox.com"

Four Friends: Four Friends: Bilingual - Learn Spanish with English - Story for Children "BookBox.com"