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- [ SparkFun COM-15208 ] Buck-Boost ConverterOpens in a new window or tabBrand New$14.95Top Rated Plus+$6.10 shippingFree returns
- Electricity Systems 2 Physics Kit, 9 Experiments, 51 Components - Eisco LabsOpens in a new window or tabBrand New$299.99List price: $304.99 2% offFree shippingLast one
- DRSSTC integrated power soft start module instead of AC contactor/relay 220VOpens in a new window or tabBrand New$66.50 to $76.83Was: $70.00 5% off+$5.00 shippingfrom China
- DC-DC Converter 5A 75W Adjustable, LED Voltage DisplayOpens in a new window or tabBrand New$4.30+$8.68 shippingfrom Canada
- DC-DC Converter 9-35V to 5V 5A, Screw Terminals, common GNDOpens in a new window or tabBrand New$4.34+$8.68 shippingfrom Canada
- Non-Regulated Single-Voltage Adapter - AC Input AC Output - 12 VAC / 500 mAOpens in a new window or tabBrand New$13.95Top Rated Plus+$7.60 shippingFree returns
- KENDRICK KWIK FOCUS FOR 158 TO 168MM OD TUBES (2046)Opens in a new window or tabBrand New$39.99+$8.00 shipping
- Hand Crank Motor Generator DIY Kit Funny Science Physical Experiment SmallOpens in a new window or tabBrand New$9.19Was: $9.99 8% offFree shippingfrom China
- DC-DC Switching Regulator 5V 1A - TO-220 pinout - 7805 ReplacementOpens in a new window or tabBrand New$2.70+$8.68 shippingfrom Canada
- Optical Glass RGB Prism X-CUBE Physics Teach Educational Toy Light Cube For DecoOpens in a new window or tabBrand New$12.17Free shipping
- DC-DC Switching Regulator 3.3V 1A - TO-220 pinout - 78xx ReplacementOpens in a new window or tabBrand New$2.59+$8.68 shippingfrom Canada
- Simple DC Electric Motor Model Physics Teaching Educational Toy DIY Assemble KitOpens in a new window or tabBrand New$9.15+$2.41 shippingfrom China
- DC-DC Converter 5V 5A Output from 9-36V Input - Screw Terminals and USB OutputOpens in a new window or tabBrand New$4.30+$8.68 shippingfrom Canada
- AC-DC Converter Module 5V 700mA - 85-265VAC inputOpens in a new window or tabBrand New$2.88+$8.68 shippingfrom Canada
- Educational Stirling Engine Model Science Toy Gift Tools with Alcohol Burner FOpens in a new window or tabBrand New$92.39+$3.59 shippingfrom China
- DIY DC Electrical Motor Model Physics Optical Experiment Instrument ChildrenOpens in a new window or tabBrand New$7.99Was: $8.69 8% offFree shippingfrom China
- DC 3.0V-6.0V Electric Motor Model Physics Science Teaching Educational ToyOpens in a new window or tabBrand New$13.68Free shipping
- Kinetic Art Marble Perpetual Machine Sculpture DIY Office Home Desk Ornaments gOpens in a new window or tabBrand New$25.97Free shipping
- 3M 6205 Littmann Cardiology IV Rainbow-Finish Chestpiece Diagnostic StethoscopeOpens in a new window or tabBrand New$268.31Free shippingfrom China
- Beautiful Flashing Music Bouncing Ball LED Light Dancing Jumping Ball Baby Kid IOpens in a new window or tabBrand New$8.75+$2.41 shippingfrom China
- DIY Simple DC Electric Motor Model Physics Science Educational Toy Assemble KitOpens in a new window or tabBrand New$10.99+$3.69 shippingfrom China
- 26Pcs English Letters Robot Deformation Alphabet Transformations Puzzle ToysOpens in a new window or tabBrand New$41.03Was: $43.19 5% offFree shippingfrom China
- Adjustable DC-DC 10W Mini Converter Output 2-20V 3AOpens in a new window or tabBrand New$2.77+$8.68 shippingfrom Canada
- YF-BKT60V80A 12-48V/80A DC Buck Boost Converter Module Step up down ConverterOpens in a new window or tabBrand New$208.80Was: $219.79 5% off+$3.00 shippingfrom ChinaFree returns
- Solar Car DIY Assemble Kit Creative Motor Robot Electronic Model Kid InventionsOpens in a new window or tabBrand New$11.39Was: $11.99 5% offFree shippingfrom China
- Kinetic Art Perpetual Motion Machine Sculpture Office Home Table Ornament GiftOpens in a new window or tabBrand New$25.97Free shipping
- Optical Glass RGB Prism X-CUBE Physics Teach Toy Light Cube DecorationOpens in a new window or tabBrand New$5.58+$2.41 shippingfrom China
- 2 Pcs. Super Mini DC-DC Converter 1-17V 3A, 11 x 17mmOpens in a new window or tabBrand New$2.88+$8.68 shippingfrom Canada
- FEICHAO DIY Wooden Electric Science Walking Robot Toy Model Kit Assembly ToyOpens in a new window or tabBrand New$9.21Was: $10.12 9% off+$2.00 shippingfrom ChinaFree returns
- Educational Stirling Engine Model Science Toy Gift Tools with Alcohol BurnerOpens in a new window or tabBrand New$84.82+$2.41 shippingfrom China
- Watchy V2.0 - Esp32 Based Fully Open Source Electronic Watch SmartwatchOpens in a new window or tabBrand New$53.35Was: $57.99 8% offFree shippingfrom China
- Mini Wind Toy Car Motor Robot DIY Scientific Educational Car Kit for ArduinoOpens in a new window or tabBrand New$7.31Was: $7.69 5% offFree shippingfrom China
- Educational Creative Kids Toy Intelligence Development Games Puzzle Unlock Key AOpens in a new window or tabBrand New$2.54+$2.41 shippingfrom China
- SEGA TOYS HOMESTAR Home Planetarium night sky starry sky constellation universeOpens in a new window or tabBrand New$125.00 to $130.00Free shippingfrom JapanFree returns
- DC 15-24V 2A Electrical Components Wireless Unassembled Tesla Coil KitOpens in a new window or tabBrand New$4.57+$2.41 shippingfrom China
- FEICHAO Wooden Electric Robot Car DIY Handmade Kids Science Experiment ToyOpens in a new window or tabBrand New$9.65Was: $11.35 15% off+$2.00 shippingfrom ChinaFree returns
- 3-5V Air Stirling Engine Motor Model Educational Steam Power School Physics ToyOpens in a new window or tabBrand New$63.98Free shipping
- Teaching Air Stirling Engine Motor Model Educational Steam Power School PhysicsOpens in a new window or tabBrand New$49.00+$2.41 shippingfrom China
- Stirling Engine Model Science Educational Toys Gift Tools with Alcohol Burner sOpens in a new window or tabBrand New$83.79+$3.89 shippingfrom China
- 22Pack Plastic Transparent Spirograph Drawing Ruler Toy Tool Kids/Boy/Girl GiftsOpens in a new window or tabBrand New$4.99+$3.69 shippingfrom China
- 3x3/4x4 Wooden Digital Huarong Road Sliding Puzzle Logical Mathematics TrainingOpens in a new window or tabBrand New$6.39 to $9.19+$3.69 shippingfrom China
- Optical Galss RGB Prism X-CUBE Physics Teach Educational Toy Light CubeOpens in a new window or tabBrand New$5.99+$3.69 shippingfrom China
- Science Kit - Over 60 Experiments, Fun with ScienceOpens in a new window or tabBrand New$43.47Free shipping
- FEICHAO Wooden Electric Robot Car DIY Handmade Kids Science Experiment ToyOpens in a new window or tabBrand New$8.98Was: $9.87 9% off+$2.00 shippingfrom ChinaFree returns
- Acrylic Periodic Display Table/Desk Decoration Student/Kids Studying Gifts AOpens in a new window or tabBrand New$27.49+$3.59 shippingfrom China
- 15W Disassembled Mini Coil Music Audio Speaker Electronic Field Project DIY KitOpens in a new window or tabBrand New$5.29+$3.69 shippingfrom China
- IQ Puzzle Mind Brain Teaser 3D Wooden Puzzles 3D Educational Game Wooden ToysOpens in a new window or tabBrand New$5.99+$3.69 shippingfrom China
- 3D DIY Puzzle Human Body Anatomy Model Learning Organ Assembled Toy Body OrganOpens in a new window or tabBrand New$9.99+$3.69 shippingfrom China
- Plastic 3x3 4x4 Magic Cube Number Sliding Klotski Game Cube Puzzle Toys GiftOpens in a new window or tabBrand New$5.89 to $9.59+$3.69 shippingfrom China
- Kinetic Art Marble Perpetual Machine Sculpture DIY Office Home Desk Ornaments FOpens in a new window or tabBrand New$23.09+$3.59 shippingfrom China
- For Tesla Coil Plasma Speaker Toy Model Magnetic Storm Coil Palm Arc Endless FunOpens in a new window or tabBrand New$75.99+$3.69 shippingfrom China
- Optical Galss RGB Prism X-CUBE Physics Teach Educational Toy Light Cube jOpens in a new window or tabBrand New$12.17Free shipping
- Stirling Engine Model Science Educational Toys Gift Tools with Alcohol BurnerOpens in a new window or tabBrand New$83.99+$3.69 shippingfrom China
- For Tesla Coil Gun Device Electric Firing Portable Plasma Energy GeneratorOpens in a new window or tabBrand New$843.60Was: $888.00 5% offFree shippingfrom China
- Van De Graaff Generator, 325KV, 220-240 VAC Model (CONVERTER)Opens in a new window or tabBrand New$414.95Free shipping
- HOMESTAR Lite 2 Black F/S free shippingOpens in a new window or tabBrand New$63.20Free shippingfrom Japan
- DC-DC Switching Regulator 12V 0.5A - TO-220 pinout - 7812 ReplacementOpens in a new window or tabBrand New$2.88+$8.68 shippingfrom Canada
- DIY Simple DC Electric Motor Model Kit for Students Physics Science Learning DOpens in a new window or tabBrand New$10.99+$3.59 shippingfrom China
