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

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Description

⚙️ Unlock the power of physics—hands-on, hassle-free, and totally addictive!

MASTER THE MECHANICS - Explore inclined planes, levers, wedges, wheels & axles, and pulleys with real components.
STEM READY SCREEN FREE - Engage in tactile learning with no batteries or assembly required—just pure discovery.
QUANTIFY FORCE LIKE A PRO - Use four weights and eight rubber bands to measure effort, load, and motion precisely.
BUILT FOR FUTURE INNOVATORS - Perfectly sized and designed for ages 10-14, inspiring the next generation of problem solvers.
COMPLETE GUIDED EXPLORATION - Includes an activity guide to lead you through experiments that demystify physics concepts.

The Learning Resources Simple Machines Set is a 120-piece educational kit featuring six fundamental simple machines, four weights, and eight rubber bands. Designed for ages 10-14, it offers a hands-on STEM experience with no assembly or batteries required, complete with an activity guide to explore force, motion, and mechanical advantage.

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$1069

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Product Dimensions	36.83 x 24.13 x 10.92 cm; 1.6 kg
Manufacturer recommended age	10 - 14 years
Item model number	LER2442
Educational Objective(s)	STEM
Language:	English
Number of pieces	120
Assembly Required	No
Batteries Required?	No
Batteries included?	No
Material Type(s)	Rubber
Remote Control Included?	No
Release date	21 April 2010
ASIN	B0012OKBK2

Learning Resources Simple Machines Set

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