Category: Mathematics
Showing 33–48 of 172 results
3PCS S/M/L Water Brush ink pen for Water Color Calligraphy Drawing Paint Beginner
$14.16MathematicsAdd to cartSpecificationMaterial:PlasticLength:15cmBrush Head Length:S 1cm, M 1.5cm, L 2cmColor:As the picture showsQuantity:3Features1. A portable compact fountain pens, soft brush pen.2. A good companion for paint Beginners, professional person can be used.3. Children can practice calligraphy.Injection method1. Unscrew the pen, put some water into the pen.2. Moisture adjustment tip.3. Initially, when used, squeeze a pen nib will …
3PCS S/M/L Water Brush ink pen for Water Color Calligraphy Drawing Paint BeginnerRead More
42PCS Metal Polyhedral Dices Set for Dungeons & Dragons Dice Desktop RPG Game
$38.46MathematicsAdd to cartSpecificationsName:Metal Dice SetMaterial:AcrylicColor:6-Color(7Pcs/color)Size:one sizeQuantity:42PcsFeatures1. Complete polyhedral dice set, 6 color and 7Pcs/color. Comes with 42 metal dice for all your gaming needs:6xD20, 6xD12, 6xD10 (00-90&0-9), 6xD8, 6xD6, 6xD4.2. Easy to read. Large and easy to read numbers, new font enamel dice.3. Heavy irresistible hand feel zinc alloy metal dice with shiny enamel finish, bears the …
42PCS Metal Polyhedral Dices Set for Dungeons & Dragons Dice Desktop RPG GameRead More
45cm Human Anatomical Anatomy Skeleton Learn Aid Human Skeletal Model
$36.19MathematicsAdd to cartSpecificationMaterial:PVCColor:WhiteSizes:(Approx):Height 45cm/17.7inchFeatures– A spring-attached movable chin– Ranium that can be opened to see its internal structure– Arms and legs that can be disassembled to study separately.Package Included1 x Human Anatomical Anatomy Skeleton
49PCS Polyhedral Dices Set for Dungeons & Dragons Dice Desktop RPG Game
$42.51MathematicsAdd to cartSpecificationsName:Dice SetMaterial:AcrylicColor:7-Color(7Pcs/color)Size:one sizeQuantity:42PcsFeatures1. Complete polyedrai dice set, 7 color and 7Pcs/color. Comes with 49 metal dice for all your gaming needs:7xD20, 7xD12, 7xD10 (00-90&0-9), 7xD8, 7xD6, 7xD4.2. Easy to read. Large and easy to read numbers, new font enamel dice.3. Heavy irresistible hand feel zinc alloy metal dice with shiny enamel finish, bears the test …
49PCS Polyhedral Dices Set for Dungeons & Dragons Dice Desktop RPG GameRead More
4D Vision Human Ear Anatomy Model Anatomical Learn Study Equipment
$66.81MathematicsAdd to cartSpecificationsMaterial:PlasticColor:As the picture showsModel size:106*59*90mm(L*W*H)Features– The model consists of 22 different pieces, a stand, and an assembly guide.– It’s a great challenge to put them together, you will be satisfied when finished.– Ever wonder what the inside of your Ear looks like – Learn all about it with this 4 dimensional model.– This ear model …
4D Vision Human Ear Anatomy Model Anatomical Learn Study EquipmentRead More
5 in 1 Wooden Toys Activity Cube Kids Baby Bead Maze Educational Toys Learning Puzzle Toys Gifts
$62.76MathematicsAdd to cartWooden Toys Activity Cube 5 in 1 Baby Bead Maze Toy Learning Toys For Children Educational Wooden Math Toys GiftSpecificationsItem type:Baby ToysColor:ColourfulModel:BLLN-2099Age:36 months or morePaint surface:environmentally friendly water-based paintCube size:20.2×20.2×21.4cm/7.88×7.88×8.35inchPackage size:21.5×21.5×22.1cm/8.19×8.19×8.62inch(1cm=10mm=0.39inch)Measurement Details in the attached picture.Package included1x set baby toysFeature-4 sides treasure chest with cartoon shape printing, much more attractive for children-Easy to play and …
50Pcs Soft Lightweight EVA Foam Assembled Bricks DIY Model Creative Building Blocks Kids Educational Toys
$32.39MathematicsAdd to cartSpecificationsType:Education ToysColor:MulticolorMaterial:EVASingle Block Thickness:3.5CM (1.4in)Only suit children over 3 years old.Features–IMAGINATIVE PLAY:Variety of shapes, provides endless possibilities for your child’s creativity advancement–COGNITIVE DEVELOPMENT:Enhance cognitive abilities and fine motor skills–PRETTY SOFT:Unlike traditional wooden or plastic blocks, these building blocks are made of EVA, lightweight, soft, waterproof, suitable for children to play.–SAFE AND HYGIENIC:Safety is our first …
528HZ Aluminum Tuning fork Chakra Hammer Ball Diagnostic Mallet Set
$33.64MathematicsAdd to cartnullSpecificationProduct name:Tuning ForkModel:528HZMaterial:aluminium alloyColor:silverTuning fork size:17×2.5x1cm/6.69 Inchx0.98 Inchx0.39 InchMallet length:19cm/7.4 InchFrequency:528 HzFeatures:open your heart, prompt peace and hasten healingPackage Included1x Tuning Fork1x Mallet1x Flannel Bag
56pcs 5D Diamond Paintings Embroidery Tool Storage Bag Pen Kits
$18.21MathematicsAdd to cartSpecificationsMaterial:PlasticTray:5x9cm/5.5x10cmTweezers length:12cmPen:13cm/14cmSpoon:8cmFeaturesLong service life and durabilityPerfect diamond painting craft tools to enjoy the fun of DIY painting.Save time and make diamond paintings more vivid and interesting.Package Include20 x Adhesive sheet20 x Storage Bag1 x Double-headed diamond stitching pen1 x Spoon4 x Plastic tray2 x Tweezers8 x Diamond stitching pen
58PCS 5D Diamond Painting Accessories Kit DIY Wall Painting Mural Maker Tools Set
$32.39MathematicsAdd to cartSpecificationsType:Diamond Painting Tool SetMaterial:PlasticQuantity:58PCS/SetFeatures:Diamond Painting Accessory, Efficient, DIY KitSize:One Size Fits MostFeatures1. 4 Types Diamonds Sticky PenGood for a large area with the same color of the diamonds sticky work, you can stick 1piece, 3 pieces, 6 pieces or 9 pieces diamonds at the same time with the pen, perfect for beginners and professionals.2. Simple …
58PCS 5D Diamond Painting Accessories Kit DIY Wall Painting Mural Maker Tools SetRead More
6Pcs X-cube Dichroic Cube Prism RGB Combiner Splitter DIY Decoration Education
$95.16MathematicsAdd to cartDescriptionsMaterial:Optical GlassColor:RGBSize:2*2*2cmQuantity:6Features1. Can be use as a decoration or to research.2. Can be used to research the refraction and dispersion of the light, and make a thorough inquiry of the forming of the rainbow.3. Let the children receive an initial refraction of light perception experience, stimulate children’s curiosity and exploration of the heart.4.Suitable for optical …
6Pcs X-cube Dichroic Cube Prism RGB Combiner Splitter DIY Decoration EducationRead More
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Ebyte E810-DTU(CAN-ETH) Smart Protocol Conversion GPRS Modem Modbus to TCP/IP CAN Bus Ethernet interface Modbus RTU Gateway
$96.54Smart ModuleAdd to cartSpecificationItemsDescriptionInterfaceEthernet:RJ45, 10/100MbpsCAN:1*5*3.81, ScrewingNetwork protocolIP,TCP/UDP, ARP, ICMP, IPV4Simple transparent transmissionTCP Server,TCP Client,UDP Server,UDP Client,Cloud transparent transmissionData Packing MechanismByte packing and time packingTCP Server connectionSupporting up to 6 TCP connectionsIP accessStatic IP,DHCPDNSSupportCAN Transmit baud rateA total of 15 baud rates from 6Kbps-1000KbpsCAN filtering modeUp to 8 filtration modesCAN data layoutProtocol formatParameter configurationWeb page configurationWorking current82mA@12VVoltage8V~28VDC,Over 28V may …
TP4056 Micro USB 5V 1A Lithium Battery Charging Protection Board TE585 Lipo Charger Module
$4.36Battery Protection ModuleAdd to cartSpecificationProduct name:Lithium Battery Charging BoardInput voltage:5VMaximum charging current:1000 mACharge cut-off voltage:4.2 V + / – 1%Battery overcharge protection voltage:2.5 VBattery over-current protection current:3 AInput interface:micro USBSize:27mm x 17mmHow to Use1. Input port with micro 5pin USB female, can directly use mobile charger for input to the lithium battery,and still retain the input voltage wiring solder …
TP4056 Micro USB 5V 1A Lithium Battery Charging Protection Board TE585 Lipo Charger ModuleRead More
10pcs 10-50W 15Wx2 Audio Power Amplifier DC 6 -18V TDA7297 Module Double Channel
$77.83Amplifier BoardAdd to cartFeatures– Working Voltage:6-18V DC– The onboard TDA7297 audio power amplifier chip, double channel 15WX15W– Speaker for European 4-8 10-50W use– Main pin has led chip, convenient external control device, the onboard– 5.08 (mm) distance between two p terminal 2 road, around a track connection output respectively– The onboard dial potentiometer, output size can adjust the …
10pcs 10-50W 15Wx2 Audio Power Amplifier DC 6 -18V TDA7297 Module Double ChannelRead More
LILYGO TTGO ESP32-Micro32 ESP-32-PICO WIFI Wireless bluetooth Control Module
$20.57Smart ModuleAdd to cartFeatureSeries:ESP32Model:ESP32-+MicroType:Regulator ICPower:1WApplication areas:household appliances, smart home, wearable devices, Internet of Things IoTDescriptionsESP32 vcc range:2.2V-3 6VVBAT:direct to battery (and charger)VUSB:direct to USB(5V)VCC:Output of regulator 3.3V/600mAUp to 250mA during RF transmissionsWirelessWifi:802.11 b/g/n/e/iWPA/WPA2/WPA2-Enterprise/SPSbluetooth:bluetooth 42BLESize:1.9×1.3cm/0.75×0.51inchNotePlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the …
LILYGO TTGO ESP32-Micro32 ESP-32-PICO WIFI Wireless bluetooth Control ModuleRead More
50Pcs 915MHz SW915-TH12 Copper Spring Antenna for Wireless Communication Module
$28.90Module ComponentsAdd to cartFeaturesSW915-TH12 copper spring antenna is a special antenna for 915MHz wireless communication system design. The antenna has good standing wave ratio, compact shape, ingenious structure, convenient installation, stable performance and good anti-vibration and aging ability.SpecificationFrequency range:915 MHz (+/-5)Standing wave ratioInput impedance:50Maximum power:5WGain:2.15 dBiWeight:1gHeight:12.5+/-1 mm (9T)Antenna color:copperInterface Form:Direct WeldingPackage included50 x Antenna
5Pcs 360 Degree Rotary Encoder Module Encoding Module
$11.83Other Module BoardAdd to cartFunctional characteristics and technical parameters 1)Nominal voltage:DC 5V 2)Wire A, B:0.5mA (Max 5mA; Min 0.5mA) 3)Common wire:1mA (Max 10mA; Min 0.5mA) 4)Temperature range:-30→ to+80→ 5)Output signal A , B phase position output square wave, when clockwise rotation, A phase position pull ahead B phase position 90 °, when anti-clockwise, B phase position pull ahead A …
5Pcs 360 Degree Rotary Encoder Module Encoding ModuleRead More
RD21F Delay Relay Module Power for Delay off Fan Module AC 100V-220V Time 0.2S-300min Adjustable Delay
$13.11Relay ModuleAdd to cartSpecificationsVoltage:100V-220V ACPower consumptionOutput:The output voltage is the same as the input voltage, and the maximum power supply capacity is 10A.Size:88* 36 * 22mmScrew hole:center distance 83mm * 31mm, aperture 3.2mmTime range:(4 files, selected by switch)First gear:range 0.2 seconds-30 seconds, accuracy:0.1 secondsSecond gear:range 0.2 seconds – 300 seconds (5 minutes), accuracy:0.3 secondsThird gear:range 0.2 seconds-30 minutes, …