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Description
Sustainable Polymers: Plastics of the Future for a Green, Clean World, Grades 3-5This is a 4 H STEM Curriculum for Grades 3 5 (8 to 12 year olds). The themes of these modules touch on the prevalence and impact of plastics in everyday life. Plastics are versatile materials that come in different shapes, sizes, and exhibit different material properties. Scientist and engineers are working on new ways to create, use, and recycle plastics, so we can use plastics for their many advantages and lessen their effects on our environment.
This is a 4-H STEM Curriculum for Grades 3-5 (8 to 12 year olds). The themes of these modules touch on the prevalence and impact of plastics in everyday life. Plastics are versatile materials that come in different shapes, sizes, and exhibit different material properties. Scientist and engineers are working on new ways to create, use, and recycle plastics, so we can use plastics for their many advantages and lessen their effects on our environment.
The curriculum is designed to build foundational skills of science and engineering: observations, asking questions and defining problems, planning and carrying out investigations, and communicating. The curriculum contains six learning modules intended for delivery in out-of-school time facilitated by an educator (trained volunteers or program staff). Each module will include “Tips for Facilitators” and the Science and Engineering Practices, as well as opportunities to use “I Wonder” Boards. In addition, these modules incorporate the SciGirls Strategies for gender equitable STEM learning. Modules also include “Science At Home” activities that may be completed by parents/other adults and children at home.
This curriculum was developed by a partnership between the NSF Center for Sustainable Polymers, University of Minnesota Extension, University of California Agriculture and Natural Resources, Cornell University Cooperative Extension, and SciGirls. This work is supported by the National Science Foundation (NSF) under the NSF Center for Sustainable Polymers CHE-1901635.
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This curriculum is part of a series with titles for every grade level:
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4.5 ★★★★★
Based on 675 reviews
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Product Reviews
★★★★★ 5
Semi durable
Color: Gray, Size: 8 IN
My dog has had this for 1 month, and it is still doing good! It has lost 3 out of 4 legs, but thw body is pretty strong. Dog loves the honk noises.
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Reviewed in the United States on March 7, 2026
★★★★★ 5
Luxurious Feel, Durable Build… but Full Rotation Privileges Have Been Revoked 💙🦴 🐾
Color: Blue, Size: 6 IN, Color: Blue, Size: 6 IN
🐾 Hi, I’m PVD; toy curator, plush critic & occasional chew sommelier.
This armadillo arrived beautifully packaged and immediately met my standards for texture, squeak clarity and cuddle factor. I originally gave it 5 stars for quality; and still do! But today I’m updating the review to reflect my current toy lifestyle rotation. 😌
What impressed me from day one:
✔️ High-end plush feel; soft enough to nap on, tough enough for energetic zoom bites and great relief from teething
✔️ Strong stitching; survived multiple “stress tests” (I chewed with intention)
✔️ HQ squeaker; not tinny or annoying, more of a honk
✔️ 6in is perfect size for small breeds; easy to carry during dramatic hallway walks
Why it now gets 4 stars from a seasoned toy collector:
✘ As my luxury toy collection expanded, this one gets grabbed less often
✘ Simple design; I now favor more interactive or complex textures
✘ Still “keep-worthy,” just no longer VIP spot on the chaise lounge
Best For:
• Pups who enjoy soft comfort toys or emotional support snuggles
• Light to moderate chewers
• Dogs who like to carry their plushes around proudly
• Ideal as a teething toy or thoughtful gift
🚫 Not ideal for: power chewers or highly stimulation-driven pups (like me now; my taste evolved)
📝 Final Re-Barks:
Still recommend for pups who love cuddly squeaky companions. Great starter plush and great quality; just know that ultra-picky toy enthusiasts may rotate it out once newer models (or squeakier friends) arrive.
— PVD (Plush Aficionado, Toy Rotation Director & High-Maintenance Household Icon) 🐶💁🏻♂️✨
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Reviewed in the United States on September 17, 2025
★★★★★ 4
Well Constructed Toy But Short-Life Squeaker
Color: Gray, Size: 8 IN
Super cute and durable toy. Makes a "grunting" noise that my dog loves. However rating a little lower because my dog has only been playing with it (gently) for a couple weeks and the grunting noise is starting to die. But she does really like this toy regardless!
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Reviewed in the United States on June 4, 2026
★★★★★ 5
Cute and soft dog toy!
Color: Gray, Size: 8 IN
This very cute armadillo dog toy is nice and soft for our Golden Retriever to carry around in his mouth. He eventually likes to pull off the legs, ears, or anything else extending from the body of the toy and so far he hasn’t been able to do so with this one. Not saying that it’s not possible, so as with any toy, you should monitor your dog playing with it as we definitely have to. He also likes to continually make his toys squeak and this toy’s squeaker works very well!
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Reviewed in the United States on June 4, 2026
★★★★★ 5
Great Toy for tiny to giant pups
Color: Gray, Size: 8 IN
Cute Amarillo. My teacup Yorkie uses it as a pillow or chases and attacks it. Well stretched does not easily fall apart. Good value for the money. Suitable for all sized dogs.
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Reviewed in the United States on June 3, 2026