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Home / Calculators / Beienshi Mental Math Practice Machine: Smart Pocket Learning Device for Grades 1-6, Ideal Children's Gift for Math Training

Attributes

Brand -
Category Stationery, Educational Electronics & Office Supplies / Calculators
Origin -
Target Grade Level Grades 1-6
Display Type High-contrast LCD Screen
Power Source Rechargeable Lithium Battery via USB-C
Operation Modes Addition, Subtraction, Multiplication, Division, Mixed
Difficulty Levels 5 Adjustable Speed and Complexity Settings
Material Durable ABS Plastic with Soft-Touch Finish
Dimensions 4.5 x 2.8 x 0.6 inches
Weight 3.2 ounces
Audio Feedback Adjustable Volume with Correct/Incorrect Tones
Package Includes Device, USB Charging Cable, User Manual, Lanyard

6 reviews

A

Anonymous

Mar 12, 2026

Rating: 5/5

Best gift for elementary students

Bought this for my nephew's birthday. He actually asks to play math games on it instead of watching TV. The battery life is impressive too.

A

Anonymous

Mar 10, 2026

Rating: 4/5

Great tool, simple interface

Very straightforward to use. My daughter figured it out in minutes. I wish the screen was slightly larger, but for a pocket device, it works well.

A

Anonymous

Mar 10, 2026

Rating: 4/5

Good value for money

Does exactly what it says. Helps kids practice mental math without the distractions of a tablet or phone. Highly recommend for parents.

A

Anonymous

Mar 08, 2026

Rating: 5/5

Perfect for daily practice!

My son loves using this every morning before school. It has really improved his speed with multiplication tables. The pocket size makes it easy to throw in his backpack.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Teacher approved!

As a third-grade teacher, I recommended this to several parents. It's a fantastic supplement to classroom learning and helps build confidence.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Sturdy and reliable

It has survived several drops from my 7-year-old's desk. The buttons are responsive and the sound effects are encouraging without being annoying.

5 FAQ

Q: How long does the battery last on a single charge?

A: Under normal usage conditions, the rechargeable battery typically lasts for about 2 weeks of daily 20-minute practice sessions.

Q: Is there a way to turn off the sound effects?

A: Absolutely. There is a dedicated volume button that allows you to lower the sound or mute it completely for quiet practice environments.

Q: Can the difficulty level be adjusted as the child improves?

A: Yes, the device features 5 adjustable levels that increase in speed and complexity, allowing it to grow with your child's skills from Grade 1 through Grade 6.

Q: Does it come with a carrying case?

A: While a hard case is not included, the device comes with a durable lanyard so it can be worn around the neck or attached to a bag easily.

Q: What happens if an incorrect answer is entered?

A: The device provides gentle audio feedback indicating an incorrect answer and displays the correct solution briefly to help reinforce learning.

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