--- product_id: 59382307 title: "Clear Solar Power Crookes Radiometer Sun Light Energy Glass Windmill Spinning Vanes" brand: "dorami" price: "225.67 DT" currency: TND in_stock: true reviews_count: 13 category: "Dorami" url: https://www.desertcart.tn/products/59382307-clear-solar-power-crookes-radiometer-sun-light-energy-glass-windmill store_origin: TN region: Tunisia --- # Handmade crystal-clear glass, perfect gift Vacuum glass bulb for frictionless rotation 300-500 RPM in bright sunlight Clear Solar Power Crookes Radiometer Sun Light Energy Glass Windmill Spinning Vanes **Brand:** dorami **Price:** 225.67 DT **Availability:** ✅ In Stock ## Summary > ☀️ Spin into the future of elegant, sustainable desk decor! ## Quick Answers - **What is this?** Clear Solar Power Crookes Radiometer Sun Light Energy Glass Windmill Spinning Vanes by dorami - **How much does it cost?** 225.67 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/59382307-clear-solar-power-crookes-radiometer-sun-light-energy-glass-windmill) ## Best For - dorami enthusiasts ## Why This Product - Trusted dorami brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Vacuum Design:** Frictionless rotation inside a sealed glass bulb for mesmerizing smoothness. - • **Sun-Powered Kinetic Art:** Harness natural sunlight to spin up to 500 RPM—no batteries, no fuss. - • **Versatile Ambiance Booster:** Ideal for offices, living rooms, or study spaces—ignite curiosity and calm. - • **Elegant Handmade Craftsmanship:** Exquisitely crafted from crystal-clear glass, a sleek desktop statement piece. - • **STEM-Inspired Conversation Starter:** Demonstrates physics principles like light refraction and thermal motion—educate while you impress. ## Overview The DORAMI Clear Solar Power Crookes Radiometer is a handcrafted glass device that converts sunlight or artificial light into kinetic energy, spinning its vanes up to 500 RPM. Designed as both a captivating decorative piece and an educational tool, it operates frictionlessly within a vacuum bulb, making it a perfect blend of science and style for modern professionals seeking unique, eco-friendly desk accessories. ## Description desertcart.com: DORAMI Clear Solar Power Crookes Radiometer Sun Light Energy Glass Windmill Spinning Vanes : Toys & Games Review: First one I ever tried. Gets whippin' in broad daylight. - So this floats freely and spins without any noticeable resistance, I'd say approches 300-500 RPM in bright daylight. Will lollygag in slight sun, but it needs quite a bit to get rotating. Its totally cool and what I expected, works as expected. Crystal clear. I see nothing wrong here. Buy one for the kids, it will open thier eyes to "thats JUST THE SUN" no moving parts, nothing complex, just very simple visually perception of...well you tell your kids what you want, but it ain't gonna stopt this from spinning. I understand it, but its still satisfying. Review: One of Three Non-Functioning - Sweet little radiometer but purchase an extra. One of my three I ordered did not work upon arrival. ## Features - How it works - The glass Radiometer is made of a vacuum glass bulb. There is a rotating shaft and four blades inside. When it is exposed to sunlight, artificial light, or infrared radiation, its leaves will rotate. The stronger the light, the faster it rotates. - Exquisitely designed - Handmade from high-quality glass. Crystal clear, small and exquisite. It needs to be placed on a flat surface to prevent shattering. - The best decoration - It is suitable for occasions such as offices, living rooms, bedrooms, classrooms, study rooms, parties, etc. Place it on a desktop or windowsill, and as long as there is sufficient light, it can rotate continuously without requiring any other energy. - Creative Gift - Giving it as a gift to our family, friends, colleagues, and leaders is perfect. As long as there is light, it can rotate continuously, just like our emotions. As long as we treat them sincerely, friendship can be eternal. - Physics teaching tools - their formation can explain many physics principles. For example, the principle of refraction of light, the principle of air friction, the principle of vacuum propagation of light, the principle of uneven heating generating power, and so on. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B075CRFG38 | | Age Range Description | Adult | | Best Sellers Rank | #69,820 in Toys & Games ( See Top 100 in Toys & Games ) #24 in Solar Power Kits | | Brand Name | DORAMI | | Customer Reviews | 4.2 out of 5 stars 806 Reviews | | Educational Objective | Imagination Development | | Item Dimensions | 6.3 x 4.09 x 4.02 inches | | Manufacturer | DORAMI | | Manufacturer Minimum Age (MONTHS) | 180 | | Manufacturer Part Number | unknown | | Material Type | Glass | | Number of Items | 1 | | Size | 4.09 inches (W) x 6.3 inches (L) x 4.02 inches (H) | | Theme | Love | | UPC | 602463521995 | ## Images ![Clear Solar Power Crookes Radiometer Sun Light Energy Glass Windmill Spinning Vanes - Image 1](https://m.media-amazon.com/images/I/61v1xT9nE3L.jpg) ![Clear Solar Power Crookes Radiometer Sun Light Energy Glass Windmill Spinning Vanes - Image 2](https://m.media-amazon.com/images/I/71NVPe-payL.jpg) ![Clear Solar Power Crookes Radiometer Sun Light Energy Glass Windmill Spinning Vanes - Image 3](https://m.media-amazon.com/images/I/71ytwdGA5AL.jpg) ![Clear Solar Power Crookes Radiometer Sun Light Energy Glass Windmill Spinning Vanes - Image 4](https://m.media-amazon.com/images/I/71-p5YZeYdL.jpg) ![Clear Solar Power Crookes Radiometer Sun Light Energy Glass Windmill Spinning Vanes - Image 5](https://m.media-amazon.com/images/I/61pTWZ30+KL.jpg) ## Questions & Answers **Q: What are the vanes made of? Both the black and silver.** A: There are not two different kinds of vanes. Each vane is made of a lightweight metal with one side polished and the other painted black. **Q: I plan on using this to explain thermal energy in my classroom. Does it work well?** A: Absolutely! It functions perfectly and is well made. I had one growing up and it always intrigued me. I got one for each of my kids when they got homes. Love it! **Q: whats the height ? and other dimensions if you have** A: Hello, thank you for your question. The height of this product is 5.5 inches and the width is 3 inches. Thanks again! **Q: Does it need direct sun light to work?** A: No, but near. And the light needs to be directional. I.E. if there's a lot of light but it's bouncing off the walls or coming in other windows, those reflected waves will cancel out some. In my dining room I can sit it on the table near a large window with sun but in the shade and it will turn slowly. And I can make it turn slowly with my LED flashlight. ## Customer Reviews ### ⭐⭐⭐⭐⭐ First one I ever tried. Gets whippin' in broad daylight. *by N***E on June 18, 2025* So this floats freely and spins without any noticeable resistance, I'd say approches 300-500 RPM in bright daylight. Will lollygag in slight sun, but it needs quite a bit to get rotating. Its totally cool and what I expected, works as expected. Crystal clear. I see nothing wrong here. Buy one for the kids, it will open thier eyes to "thats JUST THE SUN" no moving parts, nothing complex, just very simple visually perception of...well you tell your kids what you want, but it ain't gonna stopt this from spinning. I understand it, but its still satisfying. ### ⭐⭐⭐⭐⭐ One of Three Non-Functioning *by V***J on May 20, 2026* Sweet little radiometer but purchase an extra. One of my three I ordered did not work upon arrival. ### ⭐⭐⭐⭐⭐ Silent and spins fast *by N***S on June 30, 2026* Basically silent, also gets spinning really fast in direct sunlight. Only been running for a week but so far so good! ## Frequently Bought Together - DORAMI Clear Solar Power Crookes Radiometer Sun Light Energy Spinning Vanes - Sunnytech Low Temperature Stirling Engine Motor Steam Heat Education Model Toy Kit For mechanical skills (LT001) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/59382307-clear-solar-power-crookes-radiometer-sun-light-energy-glass-windmill](https://www.desertcart.tn/products/59382307-clear-solar-power-crookes-radiometer-sun-light-energy-glass-windmill) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-02*