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Description
Physics Optics Experiment Set, Prisms, Convex Lens, Triple Laser, Refraction School Light, Refraction & Reflection Learning Educational Science KitPhysics Optics Experiment Set Prisms Convex Lens Triple Laser Refraction School Light Refraction Reflection Learning Educational Science Kits Easy to complete the optical refraction and reflection experiments plane mirror reflection, diffuse reflection, convex mirror reflection, concave mirror reflection, refraction of light, convex lens refraction, lens refraction, trigonometry refraction Children learn to master the physical optics of refraction and
Physics Optics Experiment Set Prisms Convex Lens Triple Laser Refraction School Light Refraction Reflection Learning Educational Science Kits- Easy to complete the optical refraction and reflection experiments plane mirror reflection, diffuse reflection, convex mirror reflection, concave mirror reflection, refraction of light, convex lens refraction, lens refraction, trigonometry refraction
- Children learn to master the physical optics of refraction and reflection knowledge easily the physical optics experiment set can clearly show the light from a medium into another medium, the direction of propagation changes, so that the light at the junction of different media deflection phenomenon, and light propagation to different substances, in the demarcation plane to change the direction of propagation and return to the original phenomenon in the material
- Quality Manufacturing Three way laser source, bright and clear light, the angle of light can be freely adjusted. Prism lens is made of acrylic, very good light transmission, refraction effect is very obvious
- Included 1 Double Convex Lens, 1 Single Concave Lens, 1 Acrylic Glass Block, 1 Single Convex Lens, 1 Double Concave Lens, 1 Triangular Prism, 1 Three Way Linear Light Source, 1 Multi-functional Reflector, 1 Color Box, 1 360 Angle Diagram
- Tips This three-beam light source can be adjusted to change the direction of the light through the three small holes in the top to make the light sources parallel.without battery You need to configure it yourself
- Sincere Service BOJIAQI Store only provide high quality products, If you encounter any problems or the product not meet your expectations,you can contact us directly,we will solve it for you within 24 hours,your satisfaction is our ultimate pursuit!
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4.8 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Solid, Quality Construction at a Value
Style: Classic, Size: 26in
It's amazing how much fun my new puppy and I have been having with a single, vacuum-molded piece of plastic. I have a 4mo named Walter and getting a Chuckit® was always in the cards. 1: I didn't know how cheap they were, and 2: I didn't realize how much fun it makes fetch. Really small things like being able to pick up the ball with the Chuckit® without having to bend down was so surprising and makes fetch last longer for both of us.
Another tip is that I had watched videos where they say the throwing technique is sort of a punch, or whip action; where you sort of wind-up, throw, and then jerk your hand back (like cracking a whip). I started doing that and it was fine, and working without problems. But then I thought, "I'm just going to launch this with one continuous movement". And WOW what a difference. If you have the space (a big field, basically), you don't need to modify your throw to a punch or whip type movement. Just launch it like you're casting a fishing pole, and end your motion with the Chuckit® pointing directly at where you're trying to throw it. The ball naturally flies out at about a 45 degree angle. High and far. You don't need to overthink it. Additionally, if I'm in my backyard (fenced with neighbors all around) and I can't go high and far, I just side-arm it. And the ball releases on it's own. No need to whip.
Looking forward to my Pup growing up so we can play longer. Love this thing. Oh one more tip from my brother– he says a lacrosse ball fits perfectly in these things too if you have a dog that wants to destroy your tennis balls. Lacrosse balls are practically indestructible. Just make sure not to launch it on any surface that will bounce, or you'll never see it again.
I'd buy this again in a heartbeat. For the price, stop thinking about it, buy it, and go play with your dog!
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Reviewed in the United States on June 10, 2020
★★★★★ 5
Superior quality
Style: Classic, Size: 26in
We have 2 Australian Shepherds that never get tired. The launcher is able to trow the ball very far and very durable. Dogs love the ball and they were not able to destroy it yet. We are very happy with our purchase.
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Fetch? Yes please!
Style: Classic, Size: 26in
Great for fetch. Small learning curve to release the ball where you want. Good size for my dog. Comes with a felt ball which is just stupid for fetch--gets so dirty. I like the color, my dog can see blue and she loves when I bring it out. I broke my first one, snapped the neck, but these work great, fine price. The amount of joy my dog gets from it is worth every penny.
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Reviewed in the United States on October 30, 2025
★★★★★ 4
Function is great, a bit breakable
Style: Classic, Size: 26in
This is probably the 3rd or 4th of this we've bought which reflects pros and cons--it is a great thrower, easy to use and great for keeping your hands clean with a dog who loves to play fetch! The con is that they're a bit brittle. We've broken a couple just smacking the plastic against a sidewalk, so you just have to be a little careful. Our puppy chewed on another one and destroyed it, so you might want to keep it out of the reach of your dogs when you're not using it!
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Reviewed in the United States on August 25, 2025
★★★★★ 5
Best toy EVER for a very active dog!
Style: Classic, Size: 26in
This is the best item I've purchased for my young Mini Schnauzer. He absolutely loves that I can now pitch the tennis ball quite a ways and he gets loads of running time. He begs for me to use this toy for him . . . he LOVES it! Easy on the arm as well!
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Reviewed in the United States on November 23, 2025