Push and Pull Physics

Ages 5-8

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It's a string thing! Learn all about the science of string tension, and put it to work engineering wiggly, wobbly push puppets. Then craft a turtle toy — complete with colorful woven shell — that you can race using a pull string.

Everything needed, from materials to illustrated directions, is included in this physics kit, along with explore!, a bonus play & learn magazine with extra projects and activities!


  • Use string tension to make puppets wiggle and dance
  • Weave a colorful turtle shell and build a racing turtle
  • Put string tension to the test and race your finished turtle


  • Motion & Forces
  • String Tension
  • Weaving

Using charter school funds?

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3 reviews

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    Karen, May 8, 2019

    Friendly turtle competition

    Learning to engineer the project was fun and engaging in addition to practicing coordination to make the turtle. My son especially loved the turtles since he could race with his sister. I enjoyed the puppets to generate interest and curiousity from my kids!

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    Praveena, Mar 12, 2019

    Engaging and educational

    The crate worked well right away and my son was absorbed in this activity from start to finish. I liked how the puppet show and the turtle races were different from each other, yet both applied the concept of tension.

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    Jamie, Feb 4, 2019

    Fun, reusable toys

    Loved that the kids were able to make toys they can play with again and again. The instructions were easy to read and understand, and there is an additional section to explain what tension is after completing the project!

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