Best in 7 days
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Ships within 48 hours · Estimated delivery Jul 21 - Jul 26
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For Your Every Summer RSVP, with Code: SUMMER15
Description
4M Green Science - Clean Water ScienceLearn the science of cleaning and reusing dirty water. Build your own water filtration and desalination plant. It's a cool water science experimental kit. Children can experiement by pouring a cup of coffee into the top of the unit and the water will come out clear at the bottom. Help to save the environment. Learn the science of cleaning and reusing dirty water by conducting interesting water purification experiments. Build your own water filtration
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- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 1380 reviews
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Product Reviews
★★★★★ 5
Great Wheel Chocks
Style: w/ Rope Design, Size: Pack of 2
Does the job. Before I unhitch my small trailer I put one in front of one trailer wheel and one behind the other. If you have ever had a trailer rock back or forward after disconnecting, you know how scarry that can be. Small, light but sturdy, and reasonably priced. Does the job.
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Reviewed in the United States on January 17, 2026
★★★★★ 5
Good quality
Style: w/ Rope Design, Size: Pack of 2
Durable and strong
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 4
Good value.
Style: w/ Rope Design, Size: Pack of 2
Works well.
Light weight and effective.
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Reviewed in the United States on March 1, 2026
★★★★★ 5
Wheel chalks
Style: w/ Rope Design, Size: Pack of 2
Works as they should and good price
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Reviewed in the United States on May 29, 2026
★★★★★ 5
👍
Style: w/ Rope Design, Size: Pack of 2
I recently purchased the Camco Wheel Chock with Rope (Pack of 2) for my trailer, and I couldn’t be happier! These chocks are sturdy and durable, providing excellent stability to keep my trailer securely in place, even on uneven surfaces. The attached rope makes removal so easy—no more struggling to pull them out from under the tires! They’re lightweight yet strong, and the pack of two gives me peace of mind knowing both wheels are well secured. A simple, reliable product that every RV or trailer owner should have. Highly recommend!
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Reviewed in the United States on June 10, 2025
