Additional information
Origin | Mainland China |
---|---|
Subject | Mathematics |
Math 1 | Addition |
Math 2 | Subtraction |
Math 3 | Multiplication |
Math 4 | Division |
Internetowy sklep tanio
41.99 $
8245 in stock
Origin | Mainland China |
---|---|
Subject | Mathematics |
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
It's not only ideal for household or laboratory use, also suitable for testing pH balance of drinking water, pool, aquarium, food Project, RO system, Spa, or hydroponics.Note: This product does not include battery, battery model: 2X 1.5V LR44 range: 0.00-14.00 pHResolution: 0.01 pHAccuracy: 0.01 pHBatteries: 2X 1.5V LR44 not includedAutomatic temperature compensation: inchWarm tipsIt STEP 1: Turn open pH meter, Clean the electrode in distill waterIt STEP 2: Immerse the electrode in pH 6.86 standard buffer solutionIt STEP 3: Press the CAL button. Wait until the display digital is 6.86pH and steadyIt STEP 4: Clean the electrode [...]
45.84 $ Add to cartNote: The bottle color random! Black or White. Test parameters: 7 in 1: nitrate, nitrite, ph, residual chlorine, total hardness, total alkali, carbonate Features 1. Made of PVE and other materials, safe and environmentally friendly, no pollution. Provides accurate and fast results for any water source, including fresh and salt water swimming pools, spas and hot tubs.2. Get immediate and reliable results with simple and clear instructions. Just dip it in and compare to the big color chart on the bottle. The ideal range is marked on the bottle. Specification Category: litmus paperMaterial: PETQuantity: 50 strips/box Note 1.Please allow 1-2cm errors [...]
50.93 $ Add to cart6-in-1 Aquarium Test Strips 100 Count for Freshwater and Saltwater Tanks Simple Steps Quick Results Water Testing Tool Features: brand new and high quality Aquarium Test Strips: It is important to test your aquarium weekly to verify good water quality with aquarium test strips, 6 in 1 strips with colourful comparison chart, suitable for both freshwater and saltwater fish tank. 6 Material Testing: Aquarium test strips, combined 6 most critical water quality standard parameter, Hardness, Nitrate, Nitrite, Chlorine, Carbonate, pH. How To Use: Immerse the strip for 2 seconds and then remove the strip, do not shake excess water [...]
52.88 $ Add to cartProdibio BioDigest BioTrace BioVert Bioptim Coral Vits Stop Ammo Biokit Reef Booster All In One Listing For Fresh Water 30vials Note: Each type of Prodibio product needs to be ordered separately. Bioptim 30vials contains all the microelements needed for aquarium life amino acids, enzymes, natural vitamins... provides trace elements: sulphur for proteins, iron for plants and fish blood... dynamises the cellular metabolism of most of the bacteria living in salt wateraquariums Bioptim speedily accelerates the digestion of organic matter fIt also facilitates the elimination of nitrates and phosphates How to use: 120L-200L Water 1 Vial Added / 15days BioTrace 30vials: [...]
100.21 $ Add to cartATX 24Pin Female to 24Pin Male Power Adapter 90 Degree Desktops PC Motherboard 24 Pin Connector for Cable Power Supply Features: Support 24Pin wiring requirements of any motherboard, which can rotate the 24Pin wiring by 90°. 90° outlet, it is very simple and convenient to plug in the power cord. specification: Interface: ATX 24Pin Female/Male Material: ABS Color: Black Size: 40 x 20 x 13mm/1.57 x 0.79 x 0.51 Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the [...]
44.58 $ Add to cartSpecification:22cm x 13cm x 3cm Meterial:Top quality PVC Description: Finger can be bent and do various poses. Model and human scale: 1:1 After-sales service 1.Warranty period:Two years. 2.Please fell free to contact us if your product have some quality problem,we will try our best to help you. Warranty 1. Normmly we will send the goods within 1-3 working days after your payment is verified by Aliexpress. 2. All items will be carefully test before shipping. We will try our best to avoid any quality problem. [...]
66.20 $ Add to cartDescription Subject: Medical Science Color: picture color Material: PVC Multiple: 35 times The model consists of epidermis and dermis of the two parts, a total of four parts, by subcutaneous tissue and deep structure are connected, and display the epidermis, dermis hierarchy and subcutaneous tissue and skin appendages hair, sebaceous glands, sweat glands and nerve endings structure, a total of 25 locations of signs. Compact, easy to carry! Package Contents: [...]
73.66 $ Add to cart45cm Flexible Human Spinal Column Vertebral Lumbar Curve Anatomical Model Anato Drop shippingbrand new and high qualityFeature:45cm vertebral column complete with pelvis, sacrum, femur heads, vertebral artery, all nerve branches and a herniated lumbar disc.This model is designed as a teaching aid for anatomy and physiology courses.Helps students understand the relationship between human vertebral column and pelvis.Can be used for studying the morphology of the vertebral column and the construction of joints.for Ideal for teaching and studying by doctors or other medical professionals.Human Spine Model only, other accessories demo in the picture is not Type: Human Spine ModelMaterial: PVCSize: [...]
78.81 $ Add to cartFeatures: Lifelike, soft and easy to operate. Teaching demonstrations and study practice. Design to improve the medical technique exercises such as cutting, suturing and knotting. This Suture Practice Kit is intended for teaching demonstrations or educational purposes only. Its non-sterile and not intended for personal care, patients or animals surgery. Specifications: Color:As picture Quantity:1PC Size:As Picture Shows Material:Silk thread / nylon / polyester / polypropylene Package Include:1PC Medical Thread Note: 1.Please allow 0.1-0.3cm differences due to manual measurement, thanks. 2.Please understand because of the light irradiation or computer display difference, so I cant guarantee photos and real color is 100 [...]
42.80 $ Add to cartSkin Operate Suture Practice Model Training Pad Silicone Simulator Skin Surgical Tools Teaching Equipment Model Description: Suture practice, thread embedding practice, puncture practice, tattoo practice, incision practice. Specification: Product size: 15.5X11.5cm Material: food grade silicone Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 x Silicone Suture [...]
43.80 $ 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 |
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