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Pet Carrier Test Center

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Grades K-230-40 minSource: Creative Dad Company

Kids measure stuffed animals and build carriers sized just right for each one, widening doors that turn out too small. A practical, satisfying measurement challenge with adorable test subjects.

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Every level teaches the same core idea — pick the one that fits your time, budget, and energy today.

Prep: 8 minActivity: 40 min1 session~$2/groupOne table or clear floor areaBeginner-friendly

Setup

Gather only common or recycled items needed to build a carrier from a small box, cutting a door with adult help and adding a soft fabric lining. Place the materials beside a simple recording sheet or blank paper, and prepare the Pet Carrier Test Center challenge in one working area; no digital device is needed.

Activity

  1. Measure a few stuffed animals and predict what size box and opening each one will need to fit comfortably.
  2. Build a carrier from a small box, cutting a door with adult help and adding a soft fabric lining.
  3. Test-fit each stuffed animal, discovering the biggest one doesn't fit through the door, then widen the opening and retest.
  4. Deliver every stuffed animal safely to the vet in its properly sized carrier and explain the measurements used.

Done when: The learner completes Pet Carrier Test Center after carrying out this core test: Test-fit each stuffed animal, discovering the biggest one doesn't fit through the door, then widen the opening and retest. The learner then uses that result to complete the final task: Deliver every stuffed animal safely to the vet in its properly sized carrier and explain the measurements used.

Materials

shoebox or small box, stuffed animals of different sizes, ruler, tape, fabric scraps

Shown for the Quick Start version — switch tabs above to see what changes.

Disclosure: Materials links below go to Amazon. As an Amazon Associate, Creative Dad Company earns from qualifying purchases at no extra cost to you.

Steps

  1. Measure a few stuffed animals and predict what size box and opening each one will need to fit comfortably.
  2. Build a carrier from a small box, cutting a door with adult help and adding a soft fabric lining.
  3. Test-fit each stuffed animal, discovering the biggest one doesn't fit through the door, then widen the opening and retest.
  4. Deliver every stuffed animal safely to the vet in its properly sized carrier and explain the measurements used.

Standards it satisfies

  • NGSS · K-2-ETS1-1

    Ask questions, make observations, and gather information about a situation people want to change to define a simple problem that can be solved through development of a new or improved object or tool.