Best in 7 days
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Ships within 48 hours · Estimated delivery Oct 10 - Oct 15
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Description
92pc Stem Lab PendulumAssemble it and discover the principle of a working Pendulum. Experiment: the model comes with a QR Code to download an interactive Pocket Model Study Guide which includes engaging and interesting tasks to learn more about the Pendulum. Immerse yourself in Augmented Reality (AR), find out how the Pendulum is used in a clock mechanism, and interact with it via the dedicated Ugears application. Learn how the PENDULUM works The Pendulum is an interactive
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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 95 reviews
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Product Reviews
★★★★★ 5
Tough build for rowdy play sessions
Color: Tangerine - 3.15Inch
I picked up this motorized E-TPU dog ball last Thursday to keep my German Shepherd occupied during my afternoon video conferences in Folsom. The product quality is evident in the spongy, high-density foam construction, which provides a satisfying grip for his jaws without sustaining a single tear or puncture. The built-in motion sensor is highly responsive, sending the ball into an unpredictable frenzy of hops and spins whenever it gets nudged. It offers excellent value for money because the structural integrity holds up perfectly against aggressive chewing that would normally shred standard rubber toys in minutes. For a parent or professional needing a functional, autonomous distraction to burn off their pet's excess energy indoors, this rugged smart toy delivers a very reliable and quiet performance.
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Reviewed in the United States on June 11, 2026
★★★★★ 5
My dog really likes it
Color: Tangerine - 3.15Inch
My golden retriever has a lot of energy, especially on rainy days when we can’t stay outside for long. This rolling ball has been a fun way to keep him entertained indoors. The movement is unpredictable enough to keep him interested, and he’ll follow it around the living room until he’s ready for a nap.
The material has held up well to daily play, and it’s easy to recharge when needed. Watching him chase it around has honestly been entertaining for the whole family. Great toy for keeping active dogs busy.
What I like most is that it gives him something to do without needing constant attention from us. The ball rolls on its own, changes direction, and keeps him engaged much longer than some of his other toys. A nice option for dogs that need extra stimulation during the day.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
My dog loves the toy.
Color: Grey
My little dog loves the puzzle toys. She doesn't really like the treats I got. I'll get better ones.
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Reviewed in the United States on June 11, 2026
★★★★★ 5
Keep my dogs occupied
Color: Grey
Great for the dogs. Challenging and makes them work at it but not so hard they can’t eventually figure it out.
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Reviewed in the United States on May 17, 2026
★★★★★ 3
Too easy for my Lab
Color: Blue
My lab figured this out in 30 seconds. I was hoping it would be a bit more challenging for him. Thankfully, it is challenging enough for my bunny!
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Reviewed in the United States on May 28, 2026
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