Syllables, compound words, prefixes and suffixes. Children learn that word parts carry meaning, which is where reading and vocabulary start growing together.
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Build the word that means: to play again
Word parts carry meaning — build the word that means "to play again".
Word Builder Lab is where the demo shows the growth path beyond early reading: the same engine handles morphology for older learners without changing the child interface.
Step up one level (longer words, fewer picture clues)
Step down one level and replay the model audio
Hold the level — this is the productive struggle zone
Shorten the session and offer a movement break
Mark skill mastered and schedule spaced review
Live in this demo: every answer you give moves the level, and the games change length, timing and picture support to match.
Mastered items return after three, seven and fourteen days so gains stick.