Additional information
Origin | Mainland China |
---|---|
Subject | Mathematics |
Type | learn math |
Math 1 | Addition |
Math 2 | Subtraction |
Math 3 | Multiplication |
Math 4 | Division |
42.00 $
9871 in stock
Origin | Mainland China |
---|---|
Subject | Mathematics |
Type | learn math |
Math 1 | Addition |
Math 2 | Subtraction |
Math 3 | Multiplication |
Math 4 | Division |
Children's Addition and Subtraction Scroll Stamp Primary School Students Practice Questions Preschool Mathematics Exercise Math
PH NH4 NO2 NO3 GH CI H2S DO Checker Test Agent Aquaculture Fish Tank Aquarium Water Quality Test Kits A bottle of 10ml reagent can be tested about the number of times: PH--65 CI--50 NO2--25 NH4--35 NO3--35 DO--35 H2S--35 GH--20 Note: The above data is an estimate, there may be a little deviation Testing the Waters In order for fish to thrive, water must be similar to that which could be found in their natural environment.Poor water quality can cause fish stress, illness and even loss.Most common water quality parameters are Ammonia, Nitrite, Nitrate, and pH. All may vary over [...]
Sale! 43.66 $ Add to cartbody,td,th { font-family: Verdana, Geneva, sans-serif; font-size: 12px; color: #636363; } body { margin-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; } a{ color: #636363; text-decoration: none; } a:hover { text-decoration: none; color: #636363; } a:active { text-decoration: none; color: #636363; } em { color: #BD1A1D; font-style: normal; font-weight: 700; } Hot Sale TDS Testing Pen Aquarium Fish Yank Water Hardness Meter GH/DH Test Tool Dropship Description : Features: TDS means Tatal dissolved solids,on behalf of impurities dissolved in water, the larger the value of TDS, indicating the content of impurities in the water, [...]
Sale! 44.71 $ Add to cartPH Powder Calibration Solution Directions for use: Step 1: Open the packet and pour the powder into a cleaning dry glass container. Step 2: Add 250mL deionized water or distilled water to the beaker. Step 3: Stir until the powder has completely dissolved. Step 4: Calibrate your pH meter. Rinse the meter by pure water before test Specification: Each Pack Volume: 250 ml Each powder packet/sachet makes 250ml of solution when mixed with distilled or deionized water Accuracy: ±0.01pH at 25°C Quantity: 3/6/15pcs [...]
Sale! 42.90 $ Add to cartM.2 PCIE NVME SSD M.2 nVME SSD Adapter Card for Upgrade 2013-2015 Year MacsNot Fit Early 2013 MacBook Profor Apple SSD Adapter About Description: Features: This M.2 PCIe nVME SSD convert adapter allows to upgrade SSD for 2013-2015 MacBook with large capacity NVME SSD. It is compatible with MacBook Air 11” A1465 & MacBook Air 13” A1466 Mid 2013-2017, MacBook Pro Retina 13 A1502 & 15 A1398 Late 2013 - Mid 2015, Mac Pro ME253 MD878. Requires macOS 10.13 High Sierra or Later; DO NOT compatible with earlier than macOS [...]
Sale! 45.38 $ Add to cartProduct Details DM Type-C Connector. Compatible with:new MacBook, ChromeBook Pixel, Nexus 5X 6P, Nexus 6P, Nokia N1 Tablet, OnePlus two to a computer or USB charger for transferring data or charging. Reversible Design: Smaller, smarter and more convenient Low-profile connector with a reversible design simplifies the connection; Plug and unplug easily without checking for the connector orientation. Hi-speed Micro-USB 2.0 Male to Standard Type USB 2.0 Data sync, charging, The maximum data transfer rate up to 10GBit/s, USB2.0 standard. High-quality materials to ensure reliability and provide superspeed charging and transferring. New Type-C connector can guarantee the maximum current of [...]
Sale! 43.01 $ Add to cart2-port USB Type-C + 2-port USB Type A female hub with PC 3.5-inch floppy disk front panel 1. Specifications: Port: 2 ports USB Type-C + 2 ports USB Type-A 2. Data transfer rate: in line with USB 3.1 Gen1 5Gbps, and USB 3.0 3. The same data transmission rate is suitable: 3.5 inches open bay space 4. Cable length: 50cm compatible with Windows XP / Vista / 7/8 / 8.1 plug and play backward hot swap, compatible with USB 1.1, USB 2.0, USB 3.0 Note that a USB 20pin [...]
Sale! 67.03 $ Add to cartMaterial; PVC Product size: 21 x 7 x 14 cm product description: This model is a 1:1 natural human foot bone model. It shows the anatomical structure of the foot bones. It can show the functions of various feet and has a section of tibia and fibula. The phalanx can be bent and posed. It is cost-effective and standard. Bone racket, refined steel mold. This model is very popular among medical enthusiasts, art academies and CG artists! Made of imported environmentally friendly PVC, hand-painted by hand, with excellent workmanship. Including: 1x model, Note: 1. Product color in the pictures may [...]
Sale! 76.55 $ Add to cart91911 HOT SALE Feature: Brand new and high quality. Balloon Helicopter Aircraft Flying Toys For Kids. 2 small balloon, three gas leaf, a tee, a gas nozzle. Suit For: 3-5 Years Old. Color is random, may not be the same as the one in pictures. The three-piece jack up the propeller assembly, the balloon set on a blue plastic drums and blowing pipe clenched balloon, then cover tightly links the propeller on a blue plastic tube, then at the level of grip and let go of the balloon helicopter flight , then you can fly up, you [...]
Sale! 42.18 $ Add to cartProduct Name:Skeleton Model Product material: environmentally friendly resin Sales unit: 1 Pcs Product color: gray Product weight: 75g Applications: Biology classroom teaching, student learning, can also be used to decorate various holiday scenes, such as Halloween, parties, etc. Features: Excellent material, non-toxic, tasteless, highly flexible, can move all joints of the human body, can be placed into [...]
Sale! 49.09 $ Add to cartDescription: 100 brand new and high quality Features: 1. The model is life size of human nasal cavity throat structure. 2. This model shows the internal structure of the mouth and throat under the trigeminal tri-three-fork network nerve, showing the internal side of the head, the internal structure of the nose, throat, throat, and structures such as cerebrovascular and cranial nerves. with digital label 3. The model is made of food-grade PVC and is hand-painted to show the anatomy of the pharynx. It is a medical model that is rare in the Department of Otorhinolaryngology. 4. The model is easy [...]
Sale! 69.30 $ Add to cartStirling Balanced Engine Model Steam Power Physics Popular Science Small Production Invention Experiment Education Teaching Tool Parallel bar engine with LED light, parallel bar engine without LED light, but still can generate electricity Product Name: DIY Stryn engine steam power. material: metal. Size: 214 x 114 x 145mm Weight: about 770g Packing: Ziplock bag. This is the steam dynamics model of the DIY engine in Stryn and has the ability to exercise. You can show off to your children. Look, I am really great! I made it myself! This model is difficult to install. This is [...]
Sale! 100.51 $ Add to cartThis product for the female internal genital anatomy model, shows the ovaries, fallopian tubes, uterus, vagina and vestibular big gland etc, three layer structure in the uterus, uterine cavity in the vagina dome, the left shows the relationship between the various parts of the ovaries, fallopian tubes, and broad ligament of the uterus, ovary section on the right side in corpus luteum, follicle, uterine blood vessels, and round ligament of the uterus, vaginal part into two parts, can be opened.Description:- 100 brand new and with high quality- 1:1 lifesize human female uterus structure model: show details about ovary, fallopian tubes, [...]
Sale! 67.23 $ Add to cartBabywell Dropper Feeder Children Medicine Dispenser Pipette Liquid Food Dropper Burette For Infant anti-choking Dropper Feeder Description: 【Product name】 Dropper feeder 【Item No.】LM-9061 PP packaging, OPP bag, Product Features There is a scale on the medicine feeder to display the dosage of the medicine. The medicine is sucked into the medicine feeder, all of it is sent into the babys mouth, and slowly flows into the esophagus. The medicine will not be wasted, and the baby will not feel vomiting. It will not choke or hurt your babys mouth. Specifications: 1 [...]
Sale! 40.63 $ Add to cartBaby Medicine Feeder Baby kids smart medicine dispenser Needle Feeder Squeeze Medicine Dropper Dispenser Pacifier Baby Feeder Description: New high quality Lightweight and portable, easy to use The medicine is shunted on both sides and does not directly impact the babys throat Syringe handle, baby can easily control the dose Hose mouth temperature feeding, round baffle relief and intimate Capacity scale display for easy observation of dose Specifications: Name:pacifier type medicine feeder Medicine head material: silicone Measuring cap material:resin PP [...]
Sale! 40.83 $ Add to cartSpecification: Material: Polypropylene Size: 160 x 60mm/6.29 x 2.36 Color: Pink, Blue, Yellow, Green Package: OPP bag Weight: 150g Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. 1 X Baby Suction Cup Bowl 1 X Spoon 1 X Cover relateproductdetail/ [...]
Sale! 40.84 $ Add to cartNew 4L Pet Feeder Cat Dog Smart Food Dispenser Regular Quantitative Feeding With Audio Recording Automatic Feeding Pet Supplies 【Customize Feeding Time and Quantity】This automatic pet feeder provides flexible meal serving size, 1 to 40 servings per meal, each serving is about 5g, and the container capacity is 4L. 【Recording Reminder】With a voice recorder and speaker, this feeder can record your voice for 12 seconds to call your puppy or kitten to eat. Your personal voice will keep your pet from being alone and missing a meal when food is ready. 【Daily Precise Meals】After setting the food amount for each [...]
Sale! 105.95 $ Add to cartSpecial: Item type: baby pacifier clip chain Condition: 100 new Material of the clip: wooden clip pacifier for baby Material of the strap: silicone pacifier chain for teether strap Suit age: 0-3Years Size: 20cm/7.87inch approximately Function: baby pacifier chain, soother chain , anti-lost strollor chain, dummy holder, pacifier holders chain, nipple strap for baby. teether toy chain leash, attache soother chain, baby feeding Package: 1 x pacifier anti lost chain in an opp bags Attention: 1. There might be slightly difference in color, because of the computer monitor settings. 2. With the difference in the measurement method, [...]
Sale! 43.23 $ Add to cartPlease choose the size by height.The price of a set pajamas 1Inch=2.54CM; 1CM=0.39Inch. 1.If your kid is chubby, we recomend choosing a larger size.Please kindly refer to your kids actualheight and the size chart before buying/bidding. Thanks. 2: Due to different producing batches, there may be deviation of 2-3 CM for items. 3: Colors on your computer monitor may differ slightly from actual product colors depending on your monitor settings. We Ship to Worldwide. Items are shipped from China using Air mail, reach most of the countries within 15 to 25 business days. Or items are [...]
Sale! 44.49 $ Add to cartplease choose size as our size chart,if the baby fat,please choose one bigger size : 9-12M suit for 80-90cm 18-24M suit for 90-100cm 3T suit for 100-110cm 4T suit for 110-120cm 5-6T suit for 120-130cm 7-8T suit for 130-140cm 9-10T suit for 140-150cm 11-12T suit for 150-160cm [...]
Sale! 48.84 $ Add to cart9 Pockets, Large enough for storing diaper accessories, toys, tissue and other nursery Durable bucklet Straps easy to hanging on the Crib's, Bed’s, Changing Table, or Changing Station’s edge.An essential storage organizer for you and your baby. It also can be used in office, dorms, camping, dining room and bedroom. Keep gadgets easily accessible, tidy and anti-lost.Gender neutral mesh storage bags design blends in with home decor.Easy to Use: [...]
60.96 $ Add to cartChcę coś kupić ale szukam informacji jak zamówić... |
Kupiłem coś ale chcę poznać status zamówienia... |
Odebrałem paczkę ale mam pytanie lub problem... |
Chcę dokonać zwrotu i potrzebuję informacji... |
Droptech Sp. z o.o. droptech.polska@gmail.com |
ul. Łódzka 118, Piotrków Tryb. Sprzedajemy tylko przez internet |
NIP: 7712911090 REGON 386758083 |
Wysyłka bezpośrednio od producenta lub dostawcy |
DARMOWA WYSYŁKA + ubezpiecznie dostawy + śledzenie przesyłki |
CAŁKOWITY ZWROT podczas reklamacji |
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