4M: Green Science - Solar Robot - DIY Walking Robot Building Kit, Renewable Energy Powered Motor, Mechanical Motion, Engineering Toy, STEAM, Kids 5+ by 4M - Used condition

4M: Green Science - Solar Robot - DIY Walking Robot Building Kit, Renewable Energy Powered Motor, Mechanical Motion, Engineering Toy, STEAM, Kids 5+ — Open-Box, 17% Off

Name: 4M: Green Science - Solar Robot - DIY Walking Robot Building Kit, Renewable Energy Powered Motor, Mechanical Motion, Engineering Toy, STEAM, Kids 5+
Brand: 4M
SKU: awhd-us-b0fw5j2y46
Price: 18.29 USD
Availability: InStock

Brand: 4M

Condition: Used - Mint

$18²⁹

$21⁹⁹

-17% Save $3⁷⁰

Updated: 13 hours 22 mins ago

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Description

SOLAR-POWERED MOTION: Build a walking robot that uses sunlight to move, showcasing renewable energy with no batteries needed. BUILD A MOVING ROBOT! Great for demonstrating clean energy in a hands-on, exciting way.

ADJUSTABLE SOLAR PANEL: Learn how to make a moving robot using solar panel and a motor. Learn energy conversion and proper DC motor connections with the easy-to-use adjustable solar panel. Watch science come alive.

TRANSPARENT GEARBOX: A clear gearbox reveals the mechanics and gears in action, making the learning process visual and engaging. Kids can see how power transfers through gears to drive motion and function.

CUSTOMIZABLE TOY ROBOT: Recycle everyday materials ass its body parts to transform it into different styles. Transform the robot into a dinosaur or monster using included templates and recycled household items.

STEM LEARNING TOOL: Introduces kids to renewable energy, simple mechanics, and basic engineering principles in an interactive way. Encourages creativity and curiosity while building real-world problem-solving skills.

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Product Details

SKU:: awhd-us-b0fw5j2y46
Model:: 00-00019
Country:: US
ASIN:: B0FW5J2Y46

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Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $4 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

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Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.