Category: Mathematics
Showing 145–160 of 172 results
Rotating 3D Children Chess Toys Game Parent-Child interaction Puzzle Toy
$26.31MathematicsAdd to cartPackage Includes1 x chess body18 x red chess piece18 x yellow chess pieceSpecificationProduct Name:chessSize:16x11x11cm/6.3×4.3×4.3inColor:MulticolorMaterial:PlasticFeature-Improve children’s thinking skills-Parent-child interaction to enhance relationship-The best gift for children
Series Parallel Circuits Physics Experiment DIY Science Educational Toys Kit
$12.14MathematicsAdd to cartFeatures1. Happy and easy to learn2. Exercise your children practical ability3. Train your children observation capability, thinking and analytical skillsLearning PointsSeries circuit and parallel circuitPackage Included1 x Series Parallel Circuits Experiment Kit (Batteries Not Included)
Single Slot D Size Battery Holder Box Container w/ Binding Posts Physics Electrical Experiment
$14.16MathematicsAdd to cartSpecificationMaterial:PlasticColor:BlackFeatures– For containing 1pc 1.5V D size battery.– Red and black binding posts for quick and simple connections without the use of tools.Package Included1 x D Size Single Battery Holder
Skate Park Ramp Parts with 2 Deck Fingerboard Finger Board Toys
$85.04MathematicsAdd to cartDescriptionFinger skateboard (Finger Skate Boarding, referred to as the FSB) referred fretboard is an emergingfashion and extreme sports related entertainment legend is an American skateboard enthusiasts topractice in the rain can be very fond of skateboarding tricks invented, and home to the fingers insteadof feet to control the fingerboard to practice this imaginative creation then …
Skate Park Ramp Parts with 2 Deck Fingerboard Finger Board ToysRead More
Solar Power Radiometer Crookes Solar Energy Spinning Vanes Windmill Gift Home Desk Decorations
$54.66MathematicsAdd to cartSpecificationMaterial:Glass+plasticSize:9*9*13cmDiameter:8cmFeatures1.When you put the radiometer in the sun, the vanes will keep spinning.2.Put it in the office or the living room is very beautiful.3.It is a creative gift, we can send it to our friends or family.They will love it!4.It is made of glass and plastic,so it is fragile. It is suitable for children over …
Stirling Engine Hot Air Model Motor Child Educational Kit Fun Projects Heat Engine
$129.59MathematicsAdd to cartFeature– Physical Science DIY Kits – Stirling Engine Model, physical motor heat power electricity generator external combustion engine model kits– Theory – Similar to internal combustion engine:the burning alcohol lamp provides heat power to make the expansion of gas inside, then the gas molecular internal power increasing and working strongly to the flywheel. With the …
Stirling Engine Hot Air Model Motor Child Educational Kit Fun Projects Heat EngineRead More
Universal Smartphone 3D Holographic Hologram Display Stand Projector Pyramid Science Toy
$20.24MathematicsAdd to cartSpecificationMaterial:Plastic + Holographic filmColor:BlackSize:(L)X(W)X(H) 135X105X58mm /5.31inchX4.13inchX2.28inch(appr.)Tips:Avoid touching the pyramid by hand. If the projection tower is dirty, you can wash it with a small amount of alcohol.Features With four projection angle Specially designed for the 3.5-6inch mobile phone It is the most popular holographic pyramid projector. Ideal for Enterprise product display ,Cartoon interactive and Personal …
Universal Smartphone 3D Holographic Hologram Display Stand Projector Pyramid Science ToyRead More
Water Drawing Painting Writing Cloth Mat Board Magic Pen Doodle Kids Baby Toy
$16.19MathematicsAdd to cartSpecificationsPattern:OceanMaterial:CanvasSize:Approx.64x48cm/25.2×18.9inchFeatures1.A interesting travel toy/ indoor toy for 1-6 years old kids.2.Just fill the pen with water and draw on the aqua draw mat.3.The white painting area allows children to fully utilize their creativity and imagination.4.Kids are fascinated as the colorful images spring up, the slowly fade away, so that kids can use the draw mat …
Water Drawing Painting Writing Cloth Mat Board Magic Pen Doodle Kids Baby ToyRead More
Wooden Clock Shape Sorting Preschool Puzzle Blocks Toddler Kids Educational Toys
$30.36MathematicsAdd to cartWooden Toy Geometry Clock DIY Beads Toy Gift Developmental Intelligence Toy for Kids Puzzle Educational Learning Toy Growing Experiment Gift Toy Pretend Toy Toddlers Toy (Multicolor)SpecificationsMaterial:MDF Wood Plate + plywood BeadsSize:22.5*22.5CM / 8.9*8.9inchColor:shown as the picturesType:BlocksAge:> 3 years oldFeatures Let your baby with a small finger struck the hour and minute hands, hands and eyes …
Wooden Clock Shape Sorting Preschool Puzzle Blocks Toddler Kids Educational ToysRead More
Wooden Digital House Detachable Digital Shape Matching Blocks House Kid’s Child’s Early Educational Toys
$22.26MathematicsAdd to cartSpecificationTexture of material:woodenBrand:Little cornerName:Trumpet digital houseAge of application:Infants (0-2 years old) and children (3-6 years old)Package Included1x Trumpet digital house
Wooden MATH Toys Board Digital Matching Fishing Board Kids Baby Early Education Teaching Math Toys
$51.27MathematicsAdd to cartSpecificationProduct Name:Math Toy Board Wooden Toys Rings Montessori Math Toys Counting Board Preschool Learning GiftsMaterial:WoodWeight:approx.950gColor:Multi-colorSize:45*19cm/17.7*7.5inchSuitable age:4-6 years oldFunction:Color, shape, digital cognitionFeature– Made from high quality wood material, which is not only durable but also stable to service a long-lasting life.– Natural wood material, of no peculiar smell, safer and no hurt hands.– Built to greatly …
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60V 17S 45A Li-ion Lithium Battery Protection Board BMS PCB System
$45.75Battery Protection ModuleAdd to cartNote:The protective plate cannot be used in parallel.SpecificationsContinuous discharging current:45AInstantaneous diacharge current:100ACharging voltage:67.2VCharging current:45AOver-charge detect:4.28±0.05VProtect delay:100msOver-charge release:4.08±0.05VBalanceDetect voltage:4.2±0.025VRelease voltage:4.2±0.05VBalance current:60±5mAOver-discharge:2.55±0.08VOver-discharge detect delay:50mSRelease voltage:2.9±0.1VDetect voltage:150mVDetect delay:15mSCurrent detect:130±10AResistance:≤15mΩWorking current:≤60uASleep current (when over-discharge):≤10uAWorking temperature:-30~80→Size:120 x 60 x 9mm:Details:Specification:Unit:RemarkCharge:Charging voltage:71.4:VRecharging current:45 (max):ADischarge:Continuous discharge current:45 (max):AInstantaneous discharge current:150 (max):AOvercharge protection:Overcharge detection voltage:4. 25 ±0.025:V:Single coreOvercharge protection delay:100:mSOvercharge release voltage:4. 05 …
60V 17S 45A Li-ion Lithium Battery Protection Board BMS PCB SystemRead More
25W 5V Foldable Solar Panel Solar Power Bank Pack with Dual USB Port for Backpack Camping Hiking
$78.68Smart Robot & Solar PanelAdd to cartFeatures∵ High-Efficiency Ponocrystalline Cell, up to 19%.∵ Eco-friendly & durable material.∵ Applied in charging 5V device as a power bank.∵ Portable, foldable and lightweight, with buckle to be fold firmly.∵ Produce continuous stable output even in cloudy day.∵ Suitable for outdoor activities, outdoor working or emergency.ParametersPmax:25WUSB Output Voltage:5VUSB1 Output Current:2000mA USB2 Output Current:1200mAQuantity of Single …
3Pcs Original Hiland DIY Multifunction Transistor Tester Kit for LCR ESR PWM Generator M328
$66.77DIY Electronic KitsAdd to cart3Pcs DIY Multifunction Transistor Tester Kit For LCR ESR Transistor PWM Signal Generator M328FeatureA key measurement operation , auto power off delay . Shutdown current is only 20nA, support battery operation.Automatic detection PNP and NPN type bipolar transistors , N, P -channel MOSFET, JFET FET , diodes , two diodes, thyristors , resistors , capacitors …
3Pcs Original Hiland DIY Multifunction Transistor Tester Kit for LCR ESR PWM Generator M328Read More
5pcs 2 Slots AAA Battery Box Battery Holder Board with Switch for2xAAA Batteries DIY kit Case
$9.36Other Module BoardAdd to cartSpecificationsSupport Model:AAA BatteryShell material:ABS Cable:1007 (150mm)Metal spring:carbon steel nickel plating by NCAA salt spray test, stainless steel spring.Size:53*24*13 mmPackage Included5 x 2 Slots AAA Battery Holder Plastic Case Storage Box
10pcs Low 3.5ohm PCA9306 Dual Bidirectional Voltage-Level Conversion Module Converter
$86.01Sensor & Detector ModuleAdd to cartDescriptionThis is a conversion board for the PCA9306 dual bidirectional voltage-level translator. Because different parts sometimes use different voltage levels to communicate, voltage level translators can be the key to making different parts play nice.The PCA9306 is a dual bidirectional I2C-bus and SMBus voltage-level translator that’s operational on the low side from 1.0 V to …
10pcs Low 3.5ohm PCA9306 Dual Bidirectional Voltage-Level Conversion Module ConverterRead More
5pcs Delay Timer Switch Adjustable 0-10sec with NE555 Electrical input 12V 10A
$18.51Relay ModuleAdd to cartDescriptionTiming from Microseconds to HOURSSimple CircuitryPrecision Pulse Generation / Timing,FMAX = 500 KHzUse a single 4 to 16 VDC supplyExcellent temperature stability 0.005% / °CAdjustable Duty CycleCountless Application and Information SourcesChip (NE555) CharacteristicWhen unconnected with the supply power, the state of the module is inchNOinch [ normal open ], CB and COM are conductive. CK …
5pcs Delay Timer Switch Adjustable 0-10sec with NE555 Electrical input 12V 10ARead More