Baby Stuff Lab compares top-rated Prisms under $20 by analyzing reviews and customer feedback. You can easily choose the right one from our Editor Pick List.
Top Rated Prisms under $20
No. 1 
Cedilis 2 Pack 6 Inch Light Optical Glass Crystal Triangular Prism, Rainbow Maker for Light Refraction Spectrum Learning, Unique Photography, Science...
- Include 2 pack triangular prism, the measurement is 6 inch long, the triangle side length is 1.38 inch, decent size easy to take along.
- Made of lead free K9 optic glass, very clear and pure, no bubble and foreign material on the surface.
- Use this equilateral prism to split a beam of light into its spectral components, the color of rainbow, a wonderful gift for friends and teachers.
- A great tool to take your photos with unique effects by the prism without photoshop, adding different touch to your pictures.
- A funny and great way to help kids and students learn about light refraction with interesting observation and exploration.
Save $2.00No. 2 
MerryNine 20Pack Crystal Ball 0.8"/20mm Prism Sun Shine Catcher Rainbow Pendants Maker, Hanging Crystals Prisms for Windows, for Feng Shui, for Gift...
- ✔️PERFECT CONFIGURATION--- To make the room full of rainbows, with multi-faceted to reflect lights, reflect to rainbows that are form with the sun give a great light show, just use our K9 20pcs *...
- ✔️K9 ADVABCED MATERIALl-- The crystal ball prism uses K9 advanced material, K9 material has higher refractive index and stronger transparency, without any lead, cute design crystal prism balls as...
- ✔️HOW TO USE-- It has a small hole at the top, you can use a rope, fishing line, nylon line or dental floss to pass through the hole and hang it up anywhere to decorative, when sunshine through it...
- ✔️MULTI FUNCTION-- Nice for Home Office Garden Window, Feng Shui Crystals, Chandelier Crystal Parts, Wedding Decoration, Christmas Tree Decor or any crystal projects. Good for sun shine catcher as...
- ✔️BRAND Guarantee-- MerryNine product's packaging using Brand advanced packaging, perfect gift for your choice. Put them under the light, it will reflect the bright rainbow, 100% Customer...
No. 3
MerryNine Clear Crystal Ball Prism Sunshine Catcher Rainbow Pendants Maker, Hanging Crystals Prisms for Windows, for Feng Shui, for Gift(30mm/1.18"...
- ✅ PERFECT CONFIGURATION -- To make the room full of rainbows, with multi-faceted to reflect lights, reflect to rainbows that are form with the sun give a great light show, just use our K9 20pcs *...
- ✅ K9 ADVABCED MATERIALl -- The crystal ball prism uses K9 advanced material, K9 material has higher refractive index and stronger transparency, without any lead, cute design crystal prism balls as...
- ✅ HOW TO USE -- It has a small hole at the top, you can use a rope, fishing line, nylon line or dental floss to pass through the hole and hang it up anywhere to decorative, when sunshine through it...
- ✅ MULTI FUNCTION -- Nice for Home Office Garden Window, Feng Shui Crystals, Chandelier Crystal Parts, Wedding Decoration, Christmas Tree Decor or any crystal projects. Good for sunshine catcher as a...
- ✅ BRAND SERVICES -- MerryNine product's packaging using Brand advanced packaging, perfect gift for your choice. Put them under the light, it will reflect the bright rainbow, K9 crystal products are...
No. 4 
Amlong Crystal 2.5 inch Optical Glass Triangular Prism for Teaching Light Spectrum Physics and Photo Photography Prism, 60mm
- Use this triangular prism to split a beam of light into its spectral components (the colors of the rainbow).
- Side Length: 1.38 inch / 35mm, More Than Average Width, Stable Handheld.
- Show your kids a rainbow, or have photography fun.
- Material: Optic glass, not plastic.
- With AMLONG CRYSTAL Authentic Brand Logo Box, Fully Protected Package.
No. 5 
MerryNine 6 Pcs Clear Crystal Ball Prism Sun Shine Catcher Rainbow Pendants Maker, Hanging Crystals Prisms for Windows, for Feng Shui, for Gift...
- ✅ PERFECT CONFIGURATION - To make the room full of rainbows, with multi-faceted to reflect lights, reflect to rainbows that are form with the sun give a great light show, just use our K9 6pcs *...
- ✅ K9 ADVABCED MATERIALl - The crystal ball prism uses K9 advanced material, K9 material has higher refractive index and stronger transparency, without any lead, cute design crystal prism balls as...
- ✅ HOW TO USE - It has a small hole at the top, you can use a rope, fishing line, nylon line or dental floss to pass through the hole and hang it up anywhere to decorative, when sunshine through it...
- ✅ MULTI FUNCTION - Nice for Home Office Garden Window, Feng Shui Crystals, Chandelier Crystal Parts, Wedding Decoration, Christmas Tree Decor or any crystal projects. Good for sun catcher as a...
- ✅ BRAND SERVICES - MerryNine product's packaging using Brand advanced packaging, perfect gift for your choice. Put them under the light, it will reflect the bright rainbow, 100% Customer...
No. 6 
Physics Optical Experiment Set Multifunction Reflector Refraction Triangular Prism Convex Lens Concave Mirror Dial Linear Light Source Teaching...
- Lens Material: acrylic.Preferred materials, good quality, safe, durable and practical.Batteries Needed: 2 pieces AAA batteries (NOT included for safety)
- Three Way Linear Light Source can be adjusted by using a screwdriver to adjust the direction of light.
- Optical Experiments:refraction of light, convex lens refraction, lens refraction, prismatic refraction, plane mirror reflection, diffuse reflection, convex mirror reflection, concave mirror...
- Package Including:3x Biconvex Lens;1x Single Concave Lens;1x Acrylic Glass Tile;1x Single Convex Lens;1x Double Concave Lens;1x Triangular Prism;1x Three Way Linear Light Source;1x Multifunctional...
- The Physics Optical Experiment Set will give your child a deeper understanding of physical optics and make learning easier and more enjoyable!
No. 7 
Shario 45mm Clear Glass Heart Crystal Ball Prism Pendant, Suncatcher for Windows, Indoor Outdoor Garden Hanging Décor, Gifts for Women, Mom and...
- INCLUDES - Clear Jewelry Crystal Pendant + Clear Heart K9 Crystal 1.77" + Stainless Steel Chain 7".
- RAINBOW MAKER - Very reflective and pretty crystal suncatcher. When the sun shines on them, it sprinkles rainbow colors all around the room.
- HIGH QUALITY - Production of flawless heart-shaped crystals is a difficult problem in industry. Our company has mastered the industry's top craftsmanship to ensure we produce first-class crystals. In...
- PERFECT GIFT IDEA - Our products are packaged in a gorgeous gift box with silky lining. They will present as an elegant gift on Valentine's Day, Mother's Day, Christmas, etc.
- RISK FREE GUARANTEE - If you aren't fully satisfied with your heart crystal suncatcher, we will offer a full, 30-day money-back guarantee with no question asked.
Save $7.05No. 8 
9 Pieces Sun Catchers Indoor Window Suncatcher Crystals Beads Rainbow Prism Balls Pendant Colorful Light Catcher Hanging Ornaments for Window...
- KIT OF 9 CRYSTAL SUNCATCHER: Handmade crafts. Material: K9 crystal glass. Total length: around 15.75 inches. Top with S hook and extension chain for easy hanging, colored glass beads in the middle and...
- LOVELY RAINBOW EFFECT: Crystal prisms reflect small beams of rainbows by light refraction when the sun hits them, shining in your room or patio and brings you bright mood to meet each day. Hanging...
- SPARKLING WINDOW ADDITIONS: Hang the crystal glass suncatchers on kitchen window, living room, bedroom, sun room, porch or crystal chandelier and let it cast beautiful colors in the sunlight to create...
- WIDELY USED SUNCATCHER ORNAMENTS: The fantastic sun catcher can be hung indoor and outdoor to capture the rays of sun, or with other decorative hanging ornaments such as dream catchers or wind chimes...
- CRYSTAL GIFTS FOR WOMEN: Crystal charm hanging decor make unique gifts for grandma or mom, best friend gifts, gardening gifts for women, birthday gifts, Christmas gifts for yourself or family. Add...
No. 9 
Amlong Crystal 8 inch Optical Glass Triangular Prism for Teaching Light Spectrum Physics and Photo Photography Prism, 200mm
- Use this triangular prism to split a beam of light into its spectral components (the colors of the rainbow).
- Side Length: 1.38 inch / 35mm, More Than Average Width, Stable Handheld.
- Show your kids a rainbow, or have photography fun.
- Material: optic glass, not plastic.
- With AMLONG CRYSTAL Authentic Brand Logo Box, Fully Protected Package.
No. 10 
Clear Cut Crystal Suncatcher Ball Prisms Glass Sphere Faceted Gazing Ball for Window, Sun Catchers (60mm /2.4inch)
- FACETED CRYSTAL: Made from high-quality substantial crystal-clear material with a multi-faceted finish, these crystal balls reflect light and make beautiful light refraction.
- EXQUISITE CRAFTWORK-- Every glass cutting face all cut by diamond, every detail perfect, giving you more wonderful shopping experience
- K9 CRYSTAL MATERIAL: Our crystal balls are made of Top K9 Crystal Glass, great weight cut glass crystal balls, super sparkly and flawless.
- PERFECT CRYSTAL ORNAMENTS: Our prism pendant are nice for home office garden window, Feng Shui crystals, chandelier crystal parts, wedding decoration, Christmas tree decor and any crystal projects.
- FLAWLESS QUALITY - Our crystal ball will be fully inspected before shipment, ensuring that the ball in the hands of every consumer is not flawed or broken.
Last update on 2023-03-23
