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Plan a resource route

Ages 8–10 · Est. 35–50 minutes · 2–6 players

Bridge Supply Convoy

The convoy must collect rope before the crossing, avoid a closed lane and carry enough repair supplies. Work together to route the bridge repair convoy.

6 clues, gradual hints and a complete paper finish. Choose a reader, a recorder and a checker, then work through the mission together.

See every player clue ↓

Bridge Supply Convoy: Trace a legal supply journey from S to F. The map's arrows are one-way roads. Visit every required stop, stay inside the travel budget and use the cheapest complete journey. Report all stop letters.

Your mission

Work together to route the bridge repair convoy.

Welcome to the river bridge workshop. The convoy must collect rope before the crossing, avoid a closed lane and carry enough repair supplies. Your team has the original records on the table. First recover five pieces of information, then use the final plan to route the bridge repair convoy. Keep every result beside its badge so another teammate can check your reasoning.

How your team will think

Compare path costs, capacity and required stops before choosing a journey.

Read the route’s start, destination and rules together. Trace one complete option at a time and keep its resource checks beside it, rather than mixing pieces of different routes.

Set up in one room

  1. Print the six player sheets and two record sheets for each team. Keep answers and hints with the host.
  2. Lay out Travel map (one way), Supply cards, the remaining clue sheets and the final plan. All task records are printed inside the sheets; no extra prop is needed.
  3. After each clue, pass roles one seat clockwise. With two players, combine Reader with Recorder and Checker with Builder. With five or six, add a second checker and a source finder; everyone explains one decision.

Bring to the table

  • One complete player set and record set per team
  • One pencil per child
  • One adult host with the answer and hint pages

Print and sorting checklist · Plan the player roles

Ages and durations are design estimates. Choose the pace and reading support that suit your group.

Look before you print

See all 6 player clues

These are the actual figures and instructions from the player pack. Read the final page’s rule along with the earlier clues.

Clue 1 of 6

Path

Trace a legal supply journey from S to F. The map's arrows are one-way roads. Visit every required stop, stay inside the travel budget and use the cheapest complete journey. Report all stop letters.

Bridge Supply Convoy: Trace a legal supply journey from S to F. The map's arrows are one-way roads. Visit every required stop, stay inside the travel budget and use the cheapest complete journey. Report all stop letters.
Read this clue in text

Travel map (one way) S=Depot; R=Rope shed; T=Tool store; X=Old bridge; F=Repair bank S > R: 2 units S > X: 1 units R > T: 2 units T > F: 3 units X > F: 1 units CLOSED R > F: 2 units X > T: 2 units R > X: 2 units T > X: 1 units Journey rules Start S; finish F; limit 10 units. Visit R, T. Use the least total cost. Write every stop in order, with hyphens.

Clue 2 of 6

Kit

Pack a kit that supplies all three needs. One card may cover two needs, but its weight is counted once. Choose the lightest complete kit within the carrier limit. Report its card letters alphabetically.

Bridge Supply Convoy: Pack a kit that supplies all three needs. One card may cover two needs, but its weight is counted once. Choose the lightest complete kit within the carrier limit. Report its card letters alphabetically.
Read this clue in text

Supply cards A: weight 2; gives tie B: weight 3; gives light+mark C: weight 4; gives tie+light D: weight 2; gives mark E: weight 6; gives tie+light+mark Packing order Capacity 7; must cover tie, light, mark. Use the lightest complete kit. Each card once. Write chosen card IDs alphabetically, with hyphens.

Clue 3 of 6

Record

Use the tool requests and depot log to follow the completed record. Match printed keys, then report the requested field. A planned or cancelled entry cannot prove a move.

Bridge Supply Convoy: Use the tool requests and depot log to follow the completed record. Match printed keys, then report the requested field. A planned or cancelled entry cannot prove a move.
Read this clue in text

Tool requests item: Rope | tag: PINE | status: cancelled item: Plank | tag: WAVE | status: draft item: Lamp | tag: STAR | status: checked Depot log tag: STAR | bay: NORTH tag: PINE | bay: EAST tag: WAVE | bay: WEST Bridge note bay: WEST | seal: RING bay: NORTH | seal: KITE bay: EAST | seal: LEAF Cross-check Match A.tag to B.tag. Match B.bay to C.bay. A.status is checked. Report C.seal.

Clue 4 of 6

Window

The team needs time for both the job and the journey. It cannot start before the earliest time, leave a window unfinished, or arrive after the deadline. Which departure window works? Times are minutes after opening.

Bridge Supply Convoy: The team needs time for both the job and the journey. It cannot start before the earliest time, leave a window unfinished, or arrive after the deadline. Which departure window works? Times are minutes after opening.
Read this clue in text

Departure windows (minutes after opening) EARLY: start 5; window ends 20 MID: start 15; window ends 30 LATE: start 25; window ends 45 Work and travel Earliest start 10; job 7 min. Travel 5 min; arrival deadline 30. Job + travel must both fit inside one window. Report the only possible window ID.

Clue 5 of 6

Food

Start with supplies actually in stock. A component becomes available only when its printed dependency is met. AND means both components are needed. Which proposed repair can be completed without waiting for another delivery?

Bridge Supply Convoy: Start with supplies actually in stock. A component becomes available only when its printed dependency is met. AND means both components are needed. Which proposed repair can be completed without waiting for another delivery?
Read this clue in text

Workshop dependency cards DECK needs WOOD RAIL needs ROPE WALK needs DECK AND RAIL HOIST needs GEAR AND ROPE GEAR needs HOIST Starting conditions Available now: ROPE, WOOD. A result becomes available when its needs are met. Which of WALK, HOIST, GEAR becomes available?

Clue 6 of 6

Final

Use each result to recover the load for its leg. At each leg choose the cheapest road that can carry that load. A road with too little capacity is closed to this cargo. Report the five road IDs in journey order.

Bridge Supply Convoy: Use each result to recover the load for its leg. At each leg choose the cheapest road that can carry that load. A road with too little capacity is closed to this cargo. Report the five road IDs in journey order.
Read this clue in text

Cargo key, one leg at a time Leg 1 (Path): S-R-F=2; S-R-T-F=4 Leg 2 (Kit): A-B=2; B-C=4 Leg 3 (Record): RING=2; KITE=4 Leg 4 (Window): MID=2; EARLY=4 Leg 5 (Food): HOIST=2; WALK=4 Roads: load capacity / travel cost 1: B 6/4 | A 3/2 2: C 3/2 | D 6/4 3: F 6/4 | E 3/2 4: G 3/2 | H 6/4 5: K 6/4 | J 3/2 Route rule Choose the cheapest road carrying each load. Report the five road IDs in leg order, with hyphens.

Start after: Path, Kit, Record, Window, Food

A different kind of mystery next

Keep the habit of sharing evidence and try a new reasoning task.