100000 Whys Kids Science Encyclopedia Building Ultimate Brain
100000 Whys Kids Science Encyclopedia Building Ultimate Brain
About this item
- VAST KNOWLEDGE BASE: Covers 100,000 why questions across science topics, giving kids a comprehensive and engaging learning experience.
- FUN AND JOYFUL LEARNING: Colorful illustrations and cartoon characters make complex scientific concepts easy and enjoyable for young readers.
- DEVELOPS SCIENTIFIC THINKING: Encourages curiosity and critical thinking by explaining the 'why' behind everyday natural phenomena.
- IDEAL FOR PRIMARY SCHOOL STUDENTS: Designed as an extracurricular reading book perfectly suited for elementary-age children.
- ENGAGING FORMAT: Features 'You Know What?' fact boxes and vibrant visuals throughout to keep kids entertained while they learn.
Overview
- Brand: Generic
- Material: Cardboard, Hardcover Binding, Paper
- Color: Blue, Gold, White, Multicolor
- Pattern: Illustrated Characters And Science Themes
- Product Dimensions: 9.5"L x 6.6"W
Couldn't load pickup availability
Low stock: 10 left
View full details

Reviews
-
⭐⭐⭐⭐⭐
Hannah Miller — Seattle, Washington
I ordered several science activity supplies for projects at home. The product descriptions made it easier to compare the available options, and everything fit neatly into our learning space. Stemora made finding tools for hands-on activities feel simple and organized. -
⭐⭐⭐⭐⭐
Daniel Foster — Austin, Texas
I found a useful selection of electronics and robotics accessories for a beginner project. It was convenient to browse related components in clearly organized categories. I would consider shopping here again when planning another maker activity. -
⭐⭐⭐⭐⭐
Lauren Bennett — Denver, Colorado
The measurement and observation tools I selected worked well for the classroom activities I had planned. I especially appreciated being able to review the product details before ordering and choose items that matched the lesson requirements. -
⭐⭐⭐⭐⭐
Jason Parker — Portland, Oregon
I purchased a few storage items and small tools for organizing my maker workspace. The products helped keep components, wires, and project materials easier to sort and access. The overall shopping experience was straightforward and convenient.
New Arrivals
-
Creator 5 Build Plate Double Sided Textured Board Removable Heated Bed - color: Gold
Regular price $34.20 USDRegular priceSale price $34.20 USD -
35PCS 3ml Vial Caps, Peptide Caps for 1ml 2ml 3ml 4ml Vials Peptide Storage Protective Cap, Reusable Silicone Vial Covers Fit Peptide Case for Fridge by DawnBox, Leak-Proof and Dust-Proof.
Regular price $13.26 USDRegular priceSale price $13.26 USD -
Koala Lens Cleaning Cloth | Japanese Microfiber | Pink & Orange (Pack of 6) - color: Pink / Orange, size: 6 Pack
Regular price $16.58 USDRegular priceSale price $16.58 USD -
16 Pcs General Purpose Lab Thermometer, Glass, Total Immersion
Regular price $56.76 USDRegular priceSale price $56.76 USD -
RANIT 5Pcs Shaft Coupling Flexible Coupler Motor Connector Joint 6mm to 6mm L25 x D19 - size: 6mm to 6mm,L25xD19
Regular price $26.54 USDRegular priceSale price $26.54 USD -
120 PCS Copper Washers Assortment Kit, Crush Flat Washers, Copper Sealing Washer Set for Automotive and Mechanical Use; 15 Sizes (M5- M24) - size: Copper - 120Pcs
Regular price $13.26 USDRegular priceSale price $13.26 USD -
PEC Tools 18"/450mm Steel Rule, Slim & Flexible, Made in USA - color: Flexible, size: 18"/450mm
Regular price $56.42 USDRegular priceSale price $56.42 USD -
RANIT 5Pcs Aluminum Alloy Shaft Coupling Flexible Coupler Motor Connector Joint (5mm to 10mm,L25xD19) - size: 5mm to 10mm,L25xD19
Regular price $26.54 USDRegular priceSale price $26.54 USD -
PEC Tools 6"/150mm Steel Rule, Slim & Flexible, Made in USA - color: Flexible, size: 6"/150mm
Regular price $21.56 USDRegular priceSale price $21.56 USD -
PEC Tools 12"/300mm Steel Rule, Slim & Flexible, Made in USA - color: Flexible, size: 12"/300mm
Regular price $24.88 USDRegular priceSale price $24.88 USD -
RioRand 300W 5-50V 3-Phase PWM DC Brushless Motor Speed Controller (Sensorless) – for Hall-Free Brushless DC Motors, DIY Robotics, Electric Tools & PLC Systems - color: Yellow
Regular price $31.52 USDRegular priceSale price $31.52 USD -
RANIT 5Pcs Shaft Coupling Flexible Coupler Motor Connector Joint 5mm to 8mm L25 x D19 - size: 5mm to 8mm,L25xD19
Regular price $26.54 USDRegular priceSale price $26.54 USD -
108-Piece, 18 Size, Stainless Steel Flat Washers Assortment Kit, Metal Screw Washers Set for Bolts, Industrial, Covering M3, M4, M5, M6, M8, M10, M12 - size: Stainless Steel - 108Pcs
Regular price $9.94 USDRegular priceSale price $9.94 USD -
RANIT 5Pcs 5mm to 6mm Shaft Coupling 25mm Length 19mm Diameter Stepper Motor Coupler Aluminum Alloy Joint Connector for 3D Printer CNC Machine DIY Encoder - size: 5mm to 6mm,L25xD19
Regular price $26.54 USDRegular priceSale price $26.54 USD -
FXC Rocker Switch Jumper Wires Set with Male and Female Terminal for On/Off Rocker Switch Wiring 5 pin (5 Sets)
Regular price $15.77 USDRegular priceSale price $15.77 USD -
RANIT 5Pcs 4mm to 5mm Shaft Coupling Flexible Coupler Motor Connector Joint L25xD19 Silver - size: 4mm to 5mm,L25xD19
Regular price $26.54 USDRegular priceSale price $26.54 USD -
PEC Tools 24"/600mm Steel Rule, Slim & Flexible, Made in USA - color: Flexible, size: 24"/600mm
Regular price $87.96 USDRegular priceSale price $87.96 USD -
RioRand 350W 6-60V 3-Phase PWM DC Brushless Motor Speed Controller with Hall Sensor – for 120° Electric Angle Brushless DC Motors, DIY Robotics, Electric Tools & PLC Systems - color: Red
Regular price $31.52 USDRegular priceSale price $31.52 USD
FAQ
What types of products does Stemora offer?
Stemora offers supplies for science experiments, microscopy, biology learning, measurement, laboratory organization, electronics, robotics, coding education, 3D printing, maker projects, and classroom activities. Available products and specifications may change over time.
Are Stemora products suitable for children?
Recommended ages vary by product. Please review the product description, manufacturer guidance, included warnings, and required skill level before purchasing. Products containing small parts, tools, electrical components, glass, or chemicals may not be suitable for young children.
Is adult supervision required?
Adult supervision is recommended for children and students, especially when using electrical components, sharp tools, heated equipment, glassware, small parts, or experiment materials. Customers are responsible for following all product instructions and safety precautions.
Can these products be used at home and in classrooms?
Many products may be suitable for classrooms, home learning, science projects, maker spaces, and hobby activities. Suitability depends on the specific product, learning environment, user experience, and intended activity.
How can I check what is included with a product?
Please review the product title, description, specifications, images, package quantity, and included-components section before ordering. Items shown for demonstration or scale in product images may not always be included.
How do I know whether an electronic or robotics part is compatible?
Check the listed dimensions, voltage, connector type, board compatibility, operating requirements, and supported platforms. Compatibility is not guaranteed unless it is specifically stated on the product page. Contact us before ordering if you need clarification.
When will I receive tracking information?
Tracking information is generally provided within 3–5 business days after an order is confirmed. In some cases, processing may take approximately 7–8 business days. Delivery may require an additional 4–5 business days after tracking becomes available, depending on the carrier and destination.
Why did my order arrive in separate packages?
Products in the same order may be shipped from different fulfillment locations. As a result, items may arrive separately and have different tracking numbers. You will not be charged additional shipping fees solely because an order is divided into multiple packages.
Can I change or cancel my order?
Contact us as soon as possible at vaioamaonaoak@gmail.com. We will try to assist, but changes or cancellations cannot be guaranteed once an order has entered processing or has been shipped.
What should I do if an item arrives damaged, defective, or incorrect?
Contact us promptly at vaioamaonaoak@gmail.com with your order number, a description of the issue, and clear photographs of the item, packaging, and shipping label. Please retain the product and original packaging while we review your request. Eligibility and available resolutions are subject to our Return & Refund Policy.
Blog posts
View all-
How to Organize Resistors, LEDs, and Tiny Compo...
Discover how to organize resistors, LEDs, jumper wires, and other small electronics components in a STEM classroom. This practical guide covers storage solutions, labeling systems, project kits, and inventory routines...
How to Organize Resistors, LEDs, and Tiny Compo...
Discover how to organize resistors, LEDs, jumper wires, and other small electronics components in a STEM classroom. This practical guide covers storage solutions, labeling systems, project kits, and inventory routines...
-
Arduino Wiring Errors: 7 Mistakes Beginners Mak...
Troubleshooting Arduino wiring errors becomes easier when you know where to look first. Learn how to identify common breadboard, power, polarity, grounding, and pin-assignment mistakes in beginner electronics projects
Arduino Wiring Errors: 7 Mistakes Beginners Mak...
Troubleshooting Arduino wiring errors becomes easier when you know where to look first. Learn how to identify common breadboard, power, polarity, grounding, and pin-assignment mistakes in beginner electronics projects
-
The Beginner’s Wiring Mistakes That Can Quietly...
Learn how to troubleshoot common Arduino wiring errors in beginner electronics projects. Discover practical breadboard, LED, sensor, power, and grounding checks that make STEM maker projects easier to debug.
The Beginner’s Wiring Mistakes That Can Quietly...
Learn how to troubleshoot common Arduino wiring errors in beginner electronics projects. Discover practical breadboard, LED, sensor, power, and grounding checks that make STEM maker projects easier to debug.

















