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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
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Description
The World of Light & SoundThese are practical, informative and well written books. In fact, using these books will actually save mom a bunch of time since everything needed to accomplish a comprehensive series of lessons is includedexcept the scissors and glue! Each title in the Great Science Adventure Series contains 24 lessons covering every imaginable point of interest for an elementary student. By fully utilizing the research section, more advanced students are
These are practical, informative and well-written books. In fact, using these books will actually save mom a bunch of time since everything needed to accomplish a comprehensive series of lessons is included—except the scissors and glue! Each title in the Great Science Adventure Series contains 24 lessons covering every imaginable point of interest for an elementary student. By fully utilizing the research section, more advanced students are appropriately challenged. The nicest feature of the curriculum is the informative little "library books" that the children put together to go along with each lesson. By the time the 24 lessons are completed, the children have a 24-book library on the topic. Very clever! Plenty of help to assess progress and plan lessons. Web pages throughout for further investigations.The World of Light & Sound includes the study of sunlight, reflection, refraction, light travel, rainbows, colors, shadows, lenses, sounds, hearing, lasers, heat, sound measurements and more. 24 lessons, paperback, 8 1/2"x11". For a sample lesson, go to http://www.cspress.com/GSA-sample_lesson/lesson_light_and_sound.htm.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.5 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Durable
Color: Red Nylon Yellow Hotdog
Durable and safe - made in USA. Dog enjoys it, and pet parents are delighted that it is safe for their fur baby. I bought the toy as a gift.
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Reviewed in the United States on January 4, 2026
★★★★★ 3
Pretty Good
Color: Red Nylon Yellow Hotdog
The toy is good for a heavy chewer, but is very slippery. You may want to rough it up a bit before giving it to your dog so they can hold onto it.
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Reviewed in the United States on March 31, 2026
★★★★★ 5
Great chew toy for dogs
Color: Yellow Nylon Swiss Cheese Wedge
Very suitable toy for dogs it’s too resistant. The material is good and very safe. The size is perfect for a larger dog. They love to chew on it.
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Reviewed in the United States on April 7, 2026
★★★★★ 1
WARNING - EXTREMELY SHARP AREAS
Color: Yellow Nylon Corn on the Cob, Color: Yellow Nylon Corn on the Cob
UPDATE: The 2nd one I ordered was exactly the same with the sharp parts in the same areas as the first one. I cannot stress enough that a few points are sharp enough to cut or badly scratch. So if you’re planning on putting some food on it so your pup can lick, this is not the product you want! This could still scratch or cut the gums if used as a chew toy too though. I was thinking about sanding the sharp points but then I have no idea if that exposes any chemicals somehow? Really wanted this to work out!
I took this corn on the cob toy out of the plastic to wash it and before I even got to the sink I realized there were several areas that are super sharp. A few sharp enough that could cut or badly scratch! It was sealed in a plastic bag and shows no signs of being used so this defect must happen at the manufactures level. I added a video showing how easily it snags a cotton ball, cotton pad and even a beanie. Please thoroughly check your item before giving it to your pup! I was so excited to put some smashed banana on this thing and give it to my guy and thank god I checked it first! I’m going to return it and see if a 2nd one is any better and I’ll update if it is or isn’t. Also, the super sharp spots were very hard to photograph which is why I added the video.
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Reviewed in the United States on January 1, 2021
★★★★★ 4
Nice toy
Color: Red Nylon Yellow Hotdog
It is cool, tough and hard. Just wish it was larger bc my dog is 80 pounds. It won’t fall apart in a day and made in the USA!
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Reviewed in the United States on October 14, 2024
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