When a lightweight inflatable dome unfolds on the playground of a mountain village, and children gather around to touch its smooth, transparent surface, the next moment, the inside of the dome projects a brilliant starry sky—this is not a scene from a science fiction movie, but a real educational revolution brought by Yolloy's portable planetarium dome.
A Starry Classroom That Travels with Education
Astronomy education has long been limited by fixed venues and expensive equipment. Traditional planetariums are mostly built in big cities, and students in remote areas can only look up at the real sky but rarely have the opportunity to systematically explore constellations, galaxies, and celestial phenomena. Even in cities, moving heavy projection equipment to schools or community centers is a hassle—until Yolloy's portable planetarium dome appeared.
Imagine a dome that can be folded into a backpack-sized bag, inflated in 10 minutes with a small electric pump, and set up on any flat ground—whether it's a school playground, a community square, or even a grassland in a rural area. The moment the projection device is turned on, the inner wall of the dome becomes a 360-degree immersive sky screen, where the Milky Way flows slowly, and planets revolve around the sun. This is the "mobile starry classroom" created by Yolloy, a professional
portable planetarium dome manufacturer
from China.
Safe, Durable, and Full of Warmth in Every Detail
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The first thing parents and teachers care about is safety—and Yolloy has already thought of this. The portable planetarium dome uses the same environmentally friendly TPU material as baby products, which feels as soft as baby's skin, non-toxic and odorless. Even if children press their faces against the dome to watch the stars, there's no need to worry about harmful substances. It has passed the strict EN71 safety standard, so every inch of the material is like a "protective cover" for children's curiosity.
Durability is equally important for a "traveling" planetarium. Yolloy's dome uses waterproof and fireproof PVC tarpaulin on the outer layer, which can withstand light rain and wind. Once, a school in the south used it outdoors for three consecutive days, and even after a sudden shower, the inner projection effect was not affected at all. The inflatable structure is designed with multiple air chambers, so even if one chamber is accidentally damaged, the dome will not collapse immediately, ensuring the safety of the people inside.
What makes teachers even more excited is the customization service. Yolloy's design team will communicate with the school in detail: Do you need a dome with a diameter of 3 meters for a class of 30 students, or a larger 5-meter version for community activities? Do you want the inner wall to be fully transparent for combining with the real sky, or semi-transparent for better projection effects? They will even make a simulation render according to the school's logo color, so that the dome becomes a unique "starry symbol" of the school.
More Than a Dome: The "Warmth" Behind the Product
What really sets Yolloy apart from other manufacturers is not just the product itself, but the thoughtful service that makes people feel at ease. As a
portable planetarium dome factory
with 10 years of experience, they know that educational institutions value reliability more than anything else.
Once, a science and technology museum in Inner Mongolia urgently needed a dome for a weekend stargazing event, but the original supplier could not deliver on time. They contacted Yolloy on a Friday afternoon, and the sales team responded to the email within 2 hours, confirmed the size and projection requirements overnight, and arranged for the production workshop to work overtime. On Sunday morning, the dome was delivered to the museum on time. The curator later said, "When I saw the Yolloy staff setting up the dome while eating steamed buns, I knew we had chosen the right partner."
This is not an exception. Yolloy has a 95% on-time delivery rate, and if there is any delay due to force majeure, they will take the initiative to notify the customer 3 days in advance and propose a solution. For educational institutions with tight schedules, this kind of "reassurance" is more valuable than any fancy advertising.
From the Dome to the Universe: The Educational Mission Carried by Inflatable Products
Rural School Astronomy Class
In a primary school in Guizhou, where the classroom has no multimedia equipment, the teacher uses Yolloy's dome to teach "The Solar System". Students sit inside the dome, watching Venus "pass" in front of the sun, and suddenly understand what a "transit" is.
Community Science Popularization Day
On weekends, a community in Shanghai sets up the dome in the square. Elderly people who have never seen a planetarium before sit with their grandchildren, pointing to Orion and talking about the stories of the stars they heard when they were young.
Outdoor Education Camp
During a summer camp in the Gobi Desert, the dome becomes a "night sky laboratory". Students observe the real stars outside and compare them with the projected star map inside, learning to identify constellations by themselves.
Behind these scenes is Yolloy's understanding of "inflatable products"—they are not just cold industrial products, but carriers of emotions and missions. Just like their
inflatable projection screen
which is often paired with the planetarium dome, the clear and bright projection effect makes every star, every nebula, and every story about the universe clearly presented to the audience, as if reaching out to touch the edge of the galaxy.
Technical Specifications at a Glance
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Parameter
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Standard Configuration
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Customizable Range
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Diameter
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4m
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2m-10m
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Material
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Environmental TPU (inner layer) + Waterproof and Fireproof PVC (outer layer)
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Food-grade TPU available for special needs
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Inflation Time
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10 minutes (with matching electric pump)
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5-15 minutes (depending on size)
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Weight
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35kg (folded)
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15kg-80kg
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Projection Compatibility
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Compatible with most 1080P projectors
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Support for 4K projection with special inner wall treatment
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When we talk about "popularizing astronomy education", we are actually talking about letting every child have the right to look up at the stars without being limited by region or conditions. Yolloy's portable planetarium dome is like a "starry bridge", connecting the universe with the curious eyes of children. If you are an educator who wants to bring the stars into the classroom, or an institution that hopes to spread the beauty of astronomy to more people, perhaps it's time to talk to Yolloy—after all, the universe is vast, but the distance between children and the stars can be as close as an inflatable dome.
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