Sink or Float: Build-a-Boat


Development Level: Preschool/Pre-K

Learning Areas: Engineering, Science, Movement (Fine Motor)

Overview: Tap into children’s creativity and problem-solving skills with this fun engineering experiment!


  • A clear bin or small tub, filled with water
  • A rock (or something available that will sink)
  • A pinecone (or something available that will float)
  • Various recycled materials
    • Plastic containers
    • Empty water bottles
    • Plastic or paper cups
    • Aluminum foil
    • Small cardboard boxes
  • Straws
  • Tape
  • Construction paper

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