Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 12 - Jun 17
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Description
Photo GateDescription Infrared photo gate for triggering a digital interface or a digital counter (U8533341). For time measurements in experiments on free fall, motion on a track or pendulum oscillations and for counting pulses. It can be operated in internal mode using the built in infra red light source or in external mode with the aid of a laser pointer, which needs to be obtained separately. It then acts as a wide range light barrier, allowing it to be used
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- Free Standard Shipping on $100+ Orders to the USA.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 950 reviews
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Product Reviews
★★★★★ 5
Great thick squeaky ball
Color: Large Set of 2
These are good thick rubbery squeaky balls. My boy loves them! He's 75lbs. Strong chewer. I hav hard time squeezing to squeak, but he doesn't... He loves it!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
★★★★★ 5
Squeaky ball
Color: Large Set of 4
Perfect squeaky ball. Dogs love them. I love that they're durable and their thickness aids their durability. My Great Dane will play alone for hours with a ball.
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Reviewed in the United States on June 20, 2025
★★★★★ 5
Fun
Color: Interactive Dog Ball
Fun!
Second purchase. Solid and rugged for 22 lb dog. He loves it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 21, 2025
★★★★★ 5
BEST lip sunscreen I have ever used
Size: Pack of 1
best lip sunscreen I have ever used. Currently in/on Curaçao and no burn! Was out all day yesterday in the sun and this stick was only reapplied 3 times between 8am and 4pm. Reef safe too, that is important to me!
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Great sunscreen
Size: Pack of 1
Love it! Not greasy, rubs in well, & doesn't smell. Doesn't leave the typical white sheen if you blend in well. Great to add foundation over. Ingredients are less chemicaly than other products.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026
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