it says "set of 5" in the description. Does this mean 5 separate boxes or each kit does 5 simple machines?

Hello Amazon Customer! The Simple Machines Set of 5 includes a set of 59 pieces to build a pulley, incline plane, lever, wedge and wheel & axle machine models (63 pieces in all). Feel free to contact us at review@learningresources.com with any other questions you may have.

I am unable to find the activity cards. Could you please post a link?

We are unable to post link, please visit our site under the "contact us" page and we would be happy to help you with this.

I’m trying to locate the activity cards mentioned in the video. Are they available for purchase?

Hello! Please take a look on our site under the product description there are additional cards for download as well as in the user guide tab. If you have any other questions, feel free to reach out on our site as well under the "contact us" and we would be happy to help.

What size nuts come with this kit?

Hello! This set comes with: QTY 3 - L. NUT - 0.25" DIAMETER

Learning Resources Simple Machines

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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$U5557

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Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Build the future, one simple machine at a time!

HANDS ON STEM MASTERY - Engage with real physics by building levers, pulleys, wheels, and inclined planes.
MULTI MODEL ENGINEERING - Construct all 5 simple machines at once for a comprehensive learning experience.
CLASSROOM READY DURABILITY - Sturdy, kid-friendly components designed for repeated use in schools or home labs.
CRITICAL THINKING CATALYST - Encourages iterative testing and redesign to sharpen problem-solving skills.
FORCE MOTION EXPLORATION - Experiment with weights and rubber bands to see mechanics in action.

The Learning Resources Simple Machines STEM Kit offers 63 durable pieces to build and explore five fundamental machines—lever, pulley, wheel and axle, inclined plane, and wedge. Designed for kids 8+, it supports hands-on learning of physics and engineering concepts through interactive play, enhancing critical thinking and problem-solving skills. Perfect for classrooms and home use, this kit combines educational rigor with engaging, tactile discovery.

Specifications

ASIN	B0012OKBK2
Age Range Description	Kid
Best Sellers Rank	#341,059 in Toys & Games ( See Top 100 in Toys & Games ) #2,936 in Educational Science Kits
Brand Name	Learning Resources
Color	Multi-color
Customer Reviews	4.3 4.3 out of 5 stars (186)
Educational Objective	To promote understanding of simple machines and engineering principles in physics among children
Global Trade Identification Number	00765023024425
Included Components	Counter toys
Indoor Outdoor Usage	Indoor
Item Dimensions	14.5 x 9.5 x 4.3 inches
Item Highlight	STEM Kits, Simple Machines Kit for Classroom, Pulleys and Gears for Kids, Engineering Building Sets, STEM Activity
Item Type Name	Simple Machines
Item Weight	1 kg
Manufacturer	Learning Resources
Manufacturer Part Number	LER2442
Manufacturer Warranty Description	Warranty against manufacturer defect
Manufacturer recommended age	8 months - 8 years
Material Type	Rubber
Model Number	LER2442
Number of Packs	1
Number of Players	1
Operation Mode	Manual
Power Source	Manual" or "NA
Set Name	Set of 5
Size	Medium
Supported Battery Types	No batteries required
Theme	Physics
UPC	765023024425 809099126475 800187901028 783329139902 692000199190
Unit Count	1 Count

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$U5557

Duties & taxes included

In stock

Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Uruguay.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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