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Brainopia game station Number Neighborhood Little Steps Realm · Ages 2–3
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Mathematics · Ages 3-5 - notice curves, straight lines, and corners

Shape Line Sort

Now playing: Starter Try it first · 5 rounds

Look at the shape and choose whether it has mostly curved or straight lines.
Focus skills Mathematics Shape Recognition Geometry Vocabulary Visual Discrimination Classification

Shape Line Sort

1 of 5

  1. Round 1
  2. Round 2
  3. Round 3
  4. Round 4
  5. Round 5
What kind of lines does this shape use? a circle with a curved outside line

Trace the edge with your eyes, then choose the line group.

Coach this round

Coach curves and corners.

Try saying
Ask whether the edge goes around smoothly or makes corners.
Look for
Your child using shape evidence, not only the shape name.
Next tiny step
Find one curved edge and one straight edge nearby.

After this level

Try Shape Line Sort: Growing Edges. Members · 8 planned rounds Use shape-edge clues to sort curved, straight, or mixed line groups.
Open member level
Level roadmap

Starter rounds introduce the game. Growing levels add member practice, Challenge adds premium depth, and Adventure adds the longest ready path when available.

  1. Level 1 · Starter Starter

    A short, calm first round that introduces the game idea.

    Five short rounds ready for the public v1 Starter experience.

    Ready to tryFree Starter
    5 planned rounds Current level
  2. Level 2 · Growing Shape Line Sort: Growing Edges

    A longer member round that repeats the skill with a little more variety.

    Use shape-edge clues to sort curved, straight, or mixed line groups.

    Ready to tryMembers
    8 planned rounds Play level
  3. Level 3 · Challenge Shape Line Sort: Challenge Edges

    A deeper review path for kids who are ready for more focus and more rounds.

    Identify curved, straight, and mixed edges across richer shape scenes.

    Ready to tryPremium
    12 planned rounds Play level
  4. Level 4 · Adventure Adventure

    The longest path, designed for deeper premium play and future themed-pack expansion.

    A longer replayable mode that can connect to points, badges, or themed packs later.

    Coming soonPremium
    20 planned rounds Definition coming soon
Continue away from the screen

Try a tiny counting round.

  1. GatherPut a few safe objects on the table.
  2. CountTouch each object once while counting out loud.
  3. ChangeAdd one or take one away and count again.
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