Topic Train

A building game about staying on topic — every turn that connects to the topic adds a carriage to the train, and the pair sees how long a train one conversation can make.

  1. Put a pile of blocks (or bottle caps, or paper rectangles) between you. Choose an “engine” block and name the topic together: “This train is about the swimming pool.”
  2. Take turns saying one thing about the topic. Each on-topic turn adds a carriage behind the engine.
  3. Show what “connected” means by echoing a word from the last turn: “You said the water was cold — I like it when it’s warm.”
  4. If someone jumps to something unrelated, say cheerfully, “Oops, that’s a different train!” Park that idea on a “station” (a plate to one side) to talk about next, and return to the first topic.
  5. When the topic really is finished, announce the change out loud — “New train! Now let’s talk about…” — and start a second train with the parked idea.
  6. Count the carriages at the end. Three is a good train; five or more is an express.

Variation: play “sneaky switch” — the adult deliberately goes off-topic now and then and the child gets to call “different train!”

Requirements

  • Space: A table top or a patch of floor
  • Surface: Any flat surface
  • Materials: 10–15 blocks, bottle caps, or cut-up paper rectangles; a plate for the "station"
  • Participants: 1 adult + 1 child; siblings can join as extra carriage-builders
  • Supervision: Full participation — the adult models connected turns

Rationale & Objective

Topic maintenance is one of the measurable conversational skills for this age — staying on one topic for three or more turns. Brinton and Fujiki’s classic study of topic manipulation found that 5-year-olds change topic far more often than older children and adults and keep each topic going for fewer turns; the skill matures gradually through the school years. ASHA lists introducing, maintaining, and appropriately changing topics among the core social-communication skills. The train gives the child a concrete picture of two things that are otherwise invisible — that a turn should link to the one before, and that changing topic is fine as long as you signal it (“New train!”). The parked-idea plate matters too; it tells the child their off-topic thought was welcome, just early.

Progress Indicators

  • Early: says whatever comes to mind on each turn; does not notice a switch; trains are 1–2 carriages long
  • Developing: builds a 3-carriage train on a favourite topic with reminders; spots the adult’s obvious “sneaky switches”
  • Proficient: sustains 4–6 connected turns; parks an unrelated idea for later without upset; announces topic changes with help
  • Advanced: links turns with phrases like “that reminds me…” or “and also…”; signals topic changes unprompted in everyday talk; keeps a topic going with a peer, not only an adult

Safety Notes

  • Small blocks, caps, and buttons are a choking hazard for younger siblings — keep pieces large if a toddler is nearby
  • Keep the tone light; “different train!” should sound like a fun discovery, never a telling-off
  • Do not use the game to shut down something the child urgently needs to tell you — real news always beats the train
  • Many 5-year-olds have one beloved topic; let that be the train often rather than banning it
  • If a child almost never stays on a shared topic, or talks only about one narrow interest regardless of the listener, discuss it with a speech-language pathologist

Hints

  • Playfulness: make train noises as each carriage clicks on, and give a big “choo-choo!” when the train reaches five
  • Sustain interest: draw topic cards (a dog, pizza, rain, grandma) and pick the engine from a hat; photograph the longest train of the week
  • Common mistake: being too strict about what counts as on-topic. “Pools” → “I got water in my nose” → “my nose was runny when I was sick” is a natural chain; accept loose links and reserve “different train” for real leaps
  • Limited space: no blocks needed — hold up one finger per connected turn, or link paper clips into a chain in the car
  • Cross-domain: counting and comparing train lengths (numeracy); sorting ideas into “this topic / other topic” is classification; building a long straight train is fine-motor work
  • Progression: child’s favourite topic → adult-chosen everyday topic → child catches sneaky switches → child signals their own topic changes → no props, at the dinner table

Sources

  • Brinton, B. & Fujiki, M. (1984), “Development of Topic Manipulation Skills in Discourse,” Journal of Speech and Hearing Research, 27(3), 350–358
  • ASHA Practice Portal — Social Communication Disorder (components of social communication: topic introduction, maintenance, and change)
  • Head Start ELOF — Language and Communication, Goal P-LC 4
  • Teaching Strategies GOLD — Objective 10a (engages in conversations)
  • UK EYFS — Communication and Language ELG (“hold conversation when engaged in back-and-forth exchanges”)
  • Weitzman, E. & Greenberg, J. — Learning Language and Loving It (The Hanen Centre): extending the topic