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Under $20 Prisms

Shop the best prices on 1,534 great value under $20 prisms. Shopping for prisms is easy with Fruugo, with SALE discounts, offers and savings on Anqing Cheng Bu, Mianyangtingjunlieshangmaoyouxiangongsi, Shenyangshixiyangdianzishangwuyouxiangongsi and more. Buy prisms online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 1,534
Professional Magic Speed Cube 2x2 3x3 4x4 5x5 Pyramid Magic Cube Cartoon
$8.95 Save $8.00 RRP: $16.95
Professional Magic Speed Cube 2x2 3x3 4x4 5x5 Pyramid Magic Cube Cartoon
$13.95 Save $50.05 RRP: $64.00
Professional Magic Speed Cube 2x2 3x3 4x4 5x5 Pyramid Magic Cube Cartoon
$8.95 Save $65.05 RRP: $74.00
4Pcs Clear Triangular Prism for Rainbow Lights Crystal Optical Prisms Glass Physics Teaching Refracted Light Spectrum
$20.95 Save $21.00 RRP: $41.95
Hand Crank Generator DIY Electricity Kit for Physics Experiments – Safe Tool for Student Science Education and Classroom Learning
$14.95 Save $11.00 RRP: $25.95
1 Set Optical Lens Science Classroom Optics Kits Physics Demonstration Tools
$6.95 Save $47.05 RRP: $54.00
Prism Optical Glass Pyramid 40mm High Rectangular Polyhedron
$8.95 Save $2.00 RRP: $10.95
2pcs/set Physics Experiment Teaching Tool Red and Blue Painted N/S Bar Magnets
$11.95 Save $16.00 RRP: $27.95
Lightweight Triangular Prism Refractor with Stand Physics Light Spectrum 8cm
$19.95
Concave Convex Lens Portable Small Clear Image Meniscus Lens Optical Glass Lens Educational Devices for Physics Teaching
$11.95 Save $12.00 RRP: $23.95
Horseshoe Electromagnet Physics Experimental Science Teaching Equipment U Shaped Solenoid
$9.95 Save $10.00 RRP: $19.95
1Pc Handheld Spectroscope Light Emission Spectroscopy Spectrum Physics Science Hobby
$17.95 Save $76.05 RRP: $94.00
10 Pcs/Set Rhombus Small Magnetic Needle with Stand Laboratory Instrument Physics Teaching Tool for School
$14.95 Save $3.00 RRP: $17.95
High Transparent Convex Concave Mirror Triple Prism Optical Experimental Tool for Physics Science Education and Lab Demonstrations
$12.95
23*23*23mm SiX Sided Bright Light Combine Cube Prism Stained Glass Prism
$18.95 Save $18.00 RRP: $36.95
K9 Optical Glass Right Angle Reflecting Triangular Prism for Teaching Light Spectrum Equipment
$17.95 Save $1.00 RRP: $18.95
Fornnerg Six Sides Polishing Compact Glass Cube Prism X-cube Prism Physic Teaching Tool Office Decor 25-26
$9.95 Save $9.00 RRP: $18.95
Rainbow Color Prism Sun Catcher Cube - Unique Light Spectrum Glass 25-26
$11.95 Save $11.00 RRP: $22.95
2025 Sunlight Reflecting Prism Cube - Ideal for Teachers & Photographers
$12.95 Save $12.00 RRP: $24.95
25-26 15*15MM Color Cube - Optical Cube -Subtractive Color Mixing, Diamond Polished, Scientific and Educational Toys
$18.95 Save $19.00 RRP: $37.95
2Pcs Optical Glass Prism Mini Fantastic Refraction Smoothing Educational RGB Dispersion Prism for Teaching Photography 25-26
$16.95 Save $16.00 RRP: $32.95
Magic Prism Cube, Rainbow Color Prism Cubes, 3D Glass Photography Prisms Mini Cube, Sun Catcher Cube Crystal Prisms 25-26
$20.95 Save $21.00 RRP: $41.95
Concave Convex Lens Clear Imaging Meniscus Lens Optical Glass Lens for Physics Classroom Demonstration Teaching
$21.95 Save $28.00 RRP: $49.95
Optical Glass Triangular Prism 80mm for Teaching Light Spectrum Physics Photography
$7.95 Save $9.00 RRP: $16.95
Physics Teaching Lens Optical Lens Classroom About Light Acrylic Double Convex Shape 6Pcs
$11.95 Save $5.00 RRP: $16.95
2025 Prism Optical Glass Pyramid 40mm High Rectangular Hedron Suitable For Teang Experiments
$13.95 Save $14.00 RRP: $27.95
2025 Square Cube Prism,15mm Refractor Crystal Clear Prism Optical Glass Multi-Using for Science Teaching Physical Lessons Window Decoration Light Spec
$16.95 Save $16.00 RRP: $32.95
23*23*23mm SiX Sided Bright Light Combine Cube Prism Stained Glass Prism
$12.95 Save $31.00 RRP: $43.95
Science Experiment Supplies Periscope Kids Experimental Instrument Educational Plaything Yellow 29.50X5.50X4.00cm Optical Experiment 1Set
$12.95 Save $6.00 RRP: $18.95
Concave Convex Lens Portable Small Clear Image Meniscus Lens Optical Glass Lens Educational Devices for Physics Teaching
$18.95
Concave Convex Lens Clear Imaging Meniscus Lens Optical Glass Lens for Physics Classroom Demonstration Teaching
$17.95
Owl nce Toy Ornament Decompression Toy Physics Science Model Teaching Supply Desktop Decoration
$18.95 Save $14.00 RRP: $32.95