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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LM338K 3A Voltage Digital Display High Power Adjustable Linear Module Buck Step Down Regulator
$29.73Power Supply ModuleAdd to cartParameterBoard size:9.6cm x 5.8cmDC input:3-35 voltsAC input:1-25 voltsOutput DC:1.2-30 volts; kit weight:155 gramsMaximum current:3 amps, (LM338K theory can go to 5A, we use domestic LM338K, up to 3A, import disassemble up to 5A)Input and output minimum differential:3 voltsMaximum power consumption:50WAbout LM338K maximum power calculationFor example, input 25V, output 18v load current 2A, then the power …
5Pcs Yushun LS-5S 24V 5W AC to DC Switching Power Supply Module Monitoring Power Supply with White Shell
$32.16Power Supply ModuleAdd to cartFeatures1. Wide input voltage range2. With overload, short circuit and over temperature protection functions3. Small size, high efficiency4. Full load aging test5. Ultra-low output rippleSpecificationBrand:EshionModel:LS-5SVoltage:24V200mA LS-5S24Modulation method:pulse width modulation (PWM) typeTransistor connection mode:single-endedInput voltage:86-264VInput voltage range:100~264V ACOutput /Rated power:5WOutput voltage:24VWork efficiency:75%~76%Output ripple noiseVoltage adjustment rate:÷1%Load regulation rate:÷1%Product Certification:CEOutput current:0.2AFrequency range:47~63HZWorking temperature:-20→~+50→Dimensions:58mm*30mm*22mmWeight:25g(1pcs)Package included5 x Power Supply …
SIM7020C NB-IoT Expansion Board Full Netcom Module Support for Arduino LWM2M/COAP/MQTT/TCP/UDP/HTTP/HTTPS
$52.47Expansion Board & ShieldAdd to cartFeatureOnboard Raspberry Pi interface, can be directly inserted into any version of Raspberry PiSupport LWM2M/COAP/MQTT/TCP/UDP/HTTP/HTTPS and other protocol communicationsSupport domestic OneNET/telecom cloud/aira cloud platformOnboard USB interface, can be used for power supply or software debuggingLead out UART control interface, can be used to connect Arduino/STM32 and other main control boardsOnboard level conversion circuit, the default …
10pcs 3.3V 5V 8 Bit Blue Common Anode LED indicator Display Module DIY Kit
$21.59Display ScreenAdd to cartDescriptionIt can be inserted directly into Breadboard,Ideal for linking up to your Arduiuo UNO Mini Nano Mega2560 DUE Breadboard etc,or others MCU ( AVR STM32 ARM7 ARM9 ARM10 ARM11 PIC C8051 STC MSP430 FPGA/CPLD etc.) SpecificationsColor:BlueWorking Voltage:DC 3-24VPolarity:Common anodeInterface:2.54MM with PIN/2.54MM no PINSize:22.86 x 14.13 x 2.11 mmWeight:1.3gApplicationMCU/ARM/FPGA/Atmega328pPLC MotorElectronic diy kitESP8266/nodemcuNANO/UNO/MEGA2560/BreadboardRaspberry pi 4/robotPackage Incldued10 x …
10pcs 3.3V 5V 8 Bit Blue Common Anode LED indicator Display Module DIY KitRead More
infrared Light Board 42*IR LED Board for CCTV Camera Night Vision 850nm DC12V
$6.55LED BoardAdd to cartDescription– Infrared IR LED boards for CCTV cameras night vision.– Power supply exceeds DC13V may greatly reduce the LEDs operating life.SpecificationsBoard Diameter:60 mminner Diameter:32mmPower Supply:DC12V / 220mA Operation Temperature:-10→ to +50→LED Lamps / Bulbs Size:5mmIR Lights WaveLength:850nmPackage Included1 x 42*IR LED Board for CCTV Camera
10pcs XY-SP5W 5128 Mini Class D Digital Amplifier Board 5W Mono Audio Power Amplifier
$15.27Amplifier BoardAdd to cartFeatures∵ Operating current:>1A∵ Power Output:3~5W∵ Drive Speaker:4~8∵ SNR:85dB@ VDD=5V,Vorms=1V∵ Class D Audio Amplifier∵ Low Distortion, Low Noise FloorNotes1.2.5V to 5.5V operation from a single supply ,and damaged upper 5.5V.2.A 5V/1A DC adapter is recommended to supply the module.3.The circuit will be damaged if the power polarity is oppsite.4.4 3W Speaker is recommended5.With mute fuction, Mute …
10pcs XY-SP5W 5128 Mini Class D Digital Amplifier Board 5W Mono Audio Power AmplifierRead More
10Pcs 2 Key Press Film Switch Module Single Chip Microcomputer Extended Keyboard Electronic Switch Module
$16.11Other Module BoardAdd to cartSpecificationsProduct thickness:1.00mm (+0.02mm)Panel material:PCBack adhesive tape:white glueButton strength:280gTemperature:-15 ° C / +65 ° CCircuit material:0.125mm PET transparentButton package type:button planeButton package height:0.3mmKey life:>100,000 timesLoop resistanceConnector:2.54mm square hole with protective coverSize:40*20mmPackage Included10 x 2 Key Press Film Switch