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Ships within 48 hours · Estimated delivery Jul 2 - Jul 7
For Your Every Summer RSVP, with Code: SUMMER15
Description
Einstein House RiddleJust one piece from the Einstein puzzle range. How will you fare against this brainteaser? Contains a wooden puzzle lock with an attached metal key Can you slide the locks pieces around and unlock the padlock Develop your problem solving skills A perfect gift for any Physicist or Mind Puzzle enthusiast Albert Einsteins brain was the key to unlocking some of the worlds greatest mysteries. From electromagnets to GPS technology and satellites, Einsteins

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]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 248 reviews
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Product Reviews
★★★★★ 5
Buy these
Size: 20 PACK
I love ordering these
Replacement parts. These work just as good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 4, 2025
★★★★★ 5
Very great and durable option.
Style: for Saros 10R / Saros 20 / Qrevo CurvX
These parts are the perfect option when maintaining your robot vacuum. They fit the machine perfectly and are just as if not more durable than the company provided parts. Definitely recommended.
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Reviewed in the United States on March 28, 2026
★★★★★ 5
Quality at a great price
Style: for Saros 10R / Saros 20 / Qrevo CurvX
I was happy with the items, they did work great and I saved money buying them. Highly recommended.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
They do what they are supposed to do
Style: for Saros 10R / Saros 20 / Qrevo CurvX
They fit the Saros 10R perfectly and do the job they are intended to do.
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Reviewed in the United States on April 9, 2026
★★★★★ 5
great deal on wear parts
Style: for Saros 10R / Saros 20 / Qrevo CurvX
perfect fit for my roborock saros 10r
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 15, 2025




