Category: Mathematics
Showing 1–16 of 172 results
10 inch Wood Tambourine Percussion Jingles Bell Musical instrument Kids Educational Toys
$23.88MathematicsAdd to cartFeaturesSo easy to hold, just shake along with your favorite tunes or make up your own rhythms to play.It will give little ones hours of fun and will encourage toddlers’ musical activities.Great for percussion sounds.Also great for kindergarten teaching.SpecificationsMaterial:WoodDiameter:Approx. 255mm/10inchHandle Color:WoodBells Quantity:8pcsSuits for:3 to 14 years old kidsPackage Includes1x Tambourine
116ML Hot Air Stirling Engine Model Generator Motor Educational Steam Power Toy
$258.63MathematicsAdd to cartSpecificationsBoiler capacity:a maximum of 116ML with a single water additionMaterial:Bottom plate made of Bakelite, painted on the surface, brass, aluminum alloyColor:Silver+blackSize:195mm*100mm*110mmFeature-Aerodynamics are rich in knowledge of physics, single cylinder combustion engine. Engine principle is intuitive, educational toys,teaching experimental equipment can effectively cultivate children’s interest in learning can also be used for classroom teaching, more intuitive …
116ML Hot Air Stirling Engine Model Generator Motor Educational Steam Power ToyRead More
11Pcs Educational Wooden Rainbow Puzzle Game Blocks Brick Toys for Baby Toddler
$93.14MathematicsAdd to cartSpecificationsMaterial:WoodColor:MulticolorsThe Biggest Size:(L)X(W) 36.5×18.5cm /14.37inchx7.28inch(appr.)The Smallest Size:(L)X(W) 9.3×4.6cm /3.66inchx1.81inch(appr.)Features Baby toddler toys – Wooden 11 colors rainbow puzzle Made of wood material, environmentally friendly water-based paint, thin lacquer wood grain is clearly visible Good for improving kid’s eye-hand coordination, developing brain power, expanding the sensitivity to colors and shapesPackage Included1 x Semicircle Wooden Toy (11pcs/set, …
11Pcs Educational Wooden Rainbow Puzzle Game Blocks Brick Toys for Baby ToddlerRead More
12Pcs Professional National Flag Tail Darts 4 Kinds with 100 Extra Soft Tips
$32.39MathematicsAdd to cartSpecificationColor:Black+GoldTotal Lenght:150 mmFlag Tail:UK/USA/France/Germany National FlagMaterial:Plastic+Iron+PETSurface Plating:Iron Copper PlatingFeatures1. The darts can be apart,contains functional plastic soft point,brass barrel for better grip.4. Being tested for so many times, the width of the stripe maintain the best hand feeling with its moderate thickness.5. Darts can adjust the balance of the left and right brain, that is, …
12Pcs Professional National Flag Tail Darts 4 Kinds with 100 Extra Soft TipsRead More
144pcs Kid’s Electric Drill Power Tool Screw Driver Drill Toys Construction Drill Toys DIY Education Gifts
$68.84MathematicsAdd to cart144pcs Kids Electric Drill Power Tool Screw Driver Drill Toy Construction Drill Toys DIY Education GiftsDescriptionType:Kids Education ToysColor:Multi-colorMaterial:PlasticDrill Powered:2x AA Batteries(Not included)Pacakge Size:approx.31×24.5×6.5cmPackage included1XPower Drill1XScrewdriver1XHandle1XStorage Box64XColor Graphics (4 ColorsX16)80XScrew Bits(5 ColorsX16)Feature–High Quality Material & Safty:The tool electric drill is made of BPA-FREE, non-toxic, and high quality ABS plistic materials which have no harm to your …
154Pcs Wooden Jigsaw Puzzle Building Blocks Children DIY Early Education Learning Toy
$31.29MathematicsAdd to cartSpecificationName:Puzzle BlockMaterial:WoodenSuitable Age:Over 3 years oldPackage Size:25.3×21.5×4.5 cmFeatures-Fun puzzle, cards can be used on both sides.-Through different combinations of blocks, spell out different patterns, active children’s thinking to expand imagination and creativity.-Imi-tate the pattern for simple construction, fully mobilize the child’s imagination.-Rich colors and shapes, deepen children’s memory of knowledge points, happy games, easy early …
154Pcs Wooden Jigsaw Puzzle Building Blocks Children DIY Early Education Learning ToyRead More
15cm Optical Glass Crystal Triple Triangular Prism Photography Physics Teaching Light Spectrum
$36.44MathematicsAdd to cartDescriptionTriangular prism can be used to disperse light, that is to break light up into its spectral components (the colors of the rainbow). Bring it home as a specilly meaningful present. Raise the interest to scientific exploration, show your kids a rainbow and lead them to an interesting optical physics experiment.SpecificationMaterial:Optical GlassColor:TransparentSize Length:(approx.) 3cmPrism Length:(approx.) …
165PCS Building Blocks Set DIY Crazy Marble Race Run Maze Track Construction Toys
$34.41MathematicsAdd to cartSpecificationsName:DIY Sliding BlocksMaterial:ABS(Acrylonitrile Butadiene Styrene)Color:Various colorsPieces:165 PCSAge:Children ages 3 years old and upCompatibility:Can be used with Duplo building blocksPackaged included165 PCS Building Blocks
170PCS Wooden IQ Game Jigsaw Early Learning Educational Tangram Puzzle Kid Toy
$46.56MathematicsAdd to cartSpecifications170pcs blocks jigsaw puzzleColor:Multi-colorMaterial:WoodStorage box size:20x30x6cm/7.87inchx11.81inchx2.36inch[Conversion:1cm=0.3937 inch, 1inch=2.54 cm]FeaturesUseful For Many Concepts:170pcs blocks set there are plenty for making many different patterns. These blocks work on those cards perfectly and cards have simpler & nicer designs (i.e., rocket, car, owl, geometric pattern, etc.) for kids.Fun Educational Toy:wooden shapes feel soft and smooth in hands, thick …
170PCS Wooden IQ Game Jigsaw Early Learning Educational Tangram Puzzle Kid ToyRead More
18W 1PCS Aquarium Filter Aquarium internal Filter Oxygen Submersible Water Pumps for Fish Tank Pond Aquarium Filters
$48.59MathematicsAdd to cartSpecificationsModel:1280FMaterial:ABSFlow 1300 L/H ,Cable length:1.1MMaximum lift:1.2mOxygen tube length:0.34MFit For fish tank:≤80cmColor:As Picture ShowPower Consumption:18WWeight:639gFeatures-Removable filter box, easy to replace the filter material.-Adopt high quality and firm ABS shell, durable, freshwater and sea water are suitable.-Small size, easy to hide, at the same time filtering, oxygen, pumping and other functions.-With biological filtration cotton in the filter …
198PCS DIY Drilling Screw 3D Cartoon Animals Electric Drill Assemble Creative Puzzle Toys Set
$58.71MathematicsAdd to cart198PCS DIY Drilling Screw 3D Cartoon Animals Electric Drill Assemble Creative Puzzle Toys SetSpecificationsItem Name:DIY Screw PuzzleColor:Multi-colorMaterial:ABSQuntity:198PCSBox size:31×8.6x25cm/12.09×3.36×9.75inchCarton size:77.5x34x75cm/30.93×13.26×29.25inch(1cm=10mm=0.39inch)Measurement Details in the attached picture.Package included1xDIY Screw Puzzle1xEnglish manualFeaturesThis great value pack comes with enough pieces and in enough colors so your child will be entertained for a long time. They will love playing with the …
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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, …