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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15x15cm Woven Wire Cloth Screen Stainless Steel 304 60 Mesh
$13.35Mesh & Wire ClothAdd to cartDescriptionStainless Steel 304 Woven Wire Cloth Screen is widely used in acid and alkali environment screening andfiltration, barbecue nets, handicraft nets, food machinery nets, cooking nets.SpecificationMaterial:Stainless steelSize:15x15cm(6inchx6inch)Mesh:60ApplicationWidely used in acid and alkali environment screening and filtration, barbecue nets, handicraft nets, foodmachinery nets, cooking nets, can also be used for solid material classification filtering, liquid and …
15x15cm Woven Wire Cloth Screen Stainless Steel 304 60 MeshRead More
YJ-QCC3003 Bluetooth 5.0 Module for Power Amplifier Board
$47.10Amplifier BoardAdd to cartDetails1. The Bluetooth core uses QCC3003 chip, supports A2DP, AVRCP, HFP, AAC, I2S, etc., and uses 16M SPI FLASH memory chip. DAC adopts imported PCM51022. The electrolytic capacitor adopts the gold word SANYO 470UF/16V electrolytic capacitor to ensure strong and continuous power support.3. High-precision chip resistors are selected for the resistors to ensure a good …
YJ-QCC3003 Bluetooth 5.0 Module for Power Amplifier BoardRead More
10Pcs Orinigal M27C322-100F1 DIP-42 Mbit 32M EPROMs EPROM IC
$23.68Electronic Accessories & SuppliesAdd to cart10Pcs Orinigal M27C322-100F1 DIP-42 Mbit 32M EPROMs EPROMFeatureSuitable for microprocessor systems requiring large data or program storage.It is organised as 2 M Words of 16 bit. The pin-out is compatible with a 32 Mbit Mask ROM.The FDIP42W has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the …
10Pcs Orinigal M27C322-100F1 DIP-42 Mbit 32M EPROMs EPROM ICRead More
120pcs 2.8 4.8 6.3 insert Plug Spring Sheathed Wire Terminal Connector Cold Pressed Terminal 0.5-2.5mm2 Connector
$7.32Electronic Accessories & SuppliesAdd to cartSize ConversionInchesCentimetersPlease according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.DescriptionName:2.8mm Spring ConnectorsMode:DJ622-2.8Applied Wire Diameter:0.5-0.8mm2Material:Brass tinned(Sheath:flame retardant material)Usage:All the device switch,rocker switches,vehicles,battery and domesticuse.Name:4.8mm Spring ConnectorsMode:DJ622-4.8Applied Wire Diameter:0.5-0.8mm2Material:Brass tinned(Sheath:flame retardant material)Usage:All the device switch,rocker switches,vehicles,battery and domesticuse.Name:6.3mm Spring ConnectorsMode:DJ622-6.3Applied Wire Diameter:1.0-1.5mm2Material:Brass tinned(Sheath:flame …
5pcs 1 Channel DC 12V Relay Module Solid State Low Level Trigger 240V2A
$18.21Relay ModuleAdd to cartSpecificationInput Power Supply:12V DC Load Voltage:AC240V 2AMaximum operating current:13.8mATrigger mode:low levelInput control signal voltage(0-2.5V low state relay OFF)(3.3-5V state high relay ON)Blue KF301 terminal connection control line is more convenient.Module interfaceDC +:positive power supply (by relay voltage power supply)DC-:connect power negativeCH:Relay Module signal triggering end (Low level trigger effective)Note:Power must be DC voltage and need …
5pcs 1 Channel DC 12V Relay Module Solid State Low Level Trigger 240V2ARead More
Geekcreit ESP32 WiFi+bluetooth Development Board Ultra-Low Power Consumption Dual Cores Pins Unsoldered
$15.30Smart ModuleAdd to cartDescriptionESP32 is already integrated antenna and RF balun, power amplifier, low-noise amplifiers, filters, and power management module.The entire solution takes up the least amount of printed circuit board area.This board is used with 2.4 GHz dual-mode Wi-Fi and bluetooth chips by TSMC 40nm low power technology,power and RF properties best, which is safe, reliable, and …
RF Envelope Detector Amplitude Detection Discharge Signal Detection Module
$19.67RF amplifierAdd to cartDescriptionThis product uses a voltage doubler detector (consisting of two reverse microwave diodes), 1 time sensitive than single-tube detector(about 6dB),high sensitivity (typical -30dBm, or even to -40dBm) not ordinary 2AP9,1N60 can emulate.The envelope detection principleFeature1. Maximum input:20dBm2. Detection output:The default is positive3. Working Frequency:0.1-3200MHz4. RC Filter:R = 10K, C = 1nF; (two elements in parallel …
RF Envelope Detector Amplitude Detection Discharge Signal Detection ModuleRead More
ZPHS01 All-in-one Gas Detection Module Carbon Dioxide Dust PM2.5 Sensor PM2.5 + CO2 + VOC + Temperature + Humidity Detector
$129.99Sensor & Detector ModuleAdd to cartSize ConversionInchesCentimetersPlease according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.NoteThis is PM2.5 + CO2 + VOC + Temperature + Humidity PM2.5 + CO2 + CH2O + Temperature + Humidity ID:1680902OverviewThis is an all-in-one module integrating VOC sensor, laser dust sensor, infrared …