Some of the Best Free Online Resources
Mazi en Gondolando
This wonderful video course and sequel "Mazi Revenas al Gondolando comes with free downloadable support resources.
App for Early Learning
Children learn new words in a playful and effective way within 13 themes: Farm, Clothing, Colors, Transportation, Numbers, Shapes, Playground, Food & drinks, Zoo, Home, Body, Music and Sports. For children from 2 to 7 years
Duolingo is a hugely popular app for language learning, for children and adults. Duolingo Esperanto is available in English, Spanish, Portugese and French and the Chinese one will be available soon!
Fun Vocabulary Extension
Five fun games, mostly for children who can read but they also work as mainly a game of chance and provide practice in listening, which is useful for pronunciation.
This site offers an online course, a pdf course, a dictionary and more. The target learner is more middle school/young adult than child but it is an excellent teacher resource.
Books Read Aloud
Lots of stories online with book box. Listening to these will help your own fluency and confidence, as well as being attractive to the children.