L LullaLearn
35 free tools, no signup

Real English-learning tools for toddlers & preschoolers (ages 2–6).

LullaLearn is a single-page workshop of 35 interactive tools built for the messy, real way small kids pick up English — phonics mouth-position diagrams, IPA pronunciation trainer with slow-playback, sight-word spaced repetition that remembers what your child knows, printable bingo and tracing worksheets, plus daily-vocabulary scenes for routine, weather, family, and feelings. Every tool runs entirely in your browser. Nothing is sent to a server, nothing requires an account.

No tracking No login Printable outputs Tablet & phone ready Pronunciation trainer Spaced repetition

How to use this page

Pick a tool below that matches what your child is working on this week. Each tool has a How to use block, What it solves, Tips & limits, and a short FAQ. Your child's progress in the spaced-repetition tool saves only on this device — nothing leaves your browser. For a quiet start, try Pronunciation Lab, Sight-Word SRS, and Bingo Generator.

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Tool 20 · Grammar

Comparison Words Visualizer

Drag a slider to compare two objects and watch the English grammar update: "A is bigger than B." / "A is the biggest." / "A is as big as B." / "A is not as big as B."

Adjective

Object A size

Object B size

A

B

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Frequently Asked Questions

This is the standalone page for "Comparison Words Visualizer" — bookmark it or share it. Everything runs locally in your browser; no data is uploaded.

What problem does Comparison Words Visualizer actually solve?

Drag a slider to compare two objects and watch the English grammar update: "A is bigger than B." / "A is the biggest." / "A is as big as B." / "A is not as big as B."

What data do I need to provide for Comparison Words Visualizer?

This tool needs no extra input — run it and read the result.

How should I read the result of Comparison Words Visualizer?

The result comes from the model built into the tool. Treat it as a starting point, not a conclusion. Sanity-check it first: if the number looks implausible, re-check your units, extremes and assumptions.

What are the limits and common mistakes of Comparison Words Visualizer?

The result is built on published sources and empirical parameters. It does not know your specific equipment, terrain or body. Read it as a reproducible reference value, not a precise measurement.

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