Anyone try to reverse the process and use mechanical energy to make a light bulb light up?

I have not tried that, but a dc motor can also be used as a generator so I'm sure it will light a small light. Maybe an led? if correctly polarity is observed.

what is the rpm range of this?

I have no idea what typical RPM is, over 60 I'm sure. I gave two of them as gifts to High school students. The units do spin very nicely. RPM? Strange request, since this is typically just an educational science project for kids to help them grasp magnetic field effects by building a motor and pondering it a bit. Far more memorable than looking a pages in a textbook. I have a signal counter but it would be a project to set up to measure frequency.. and the frequency (RPM) would be very voltage dependent. Perhaps you are stuck in analysis paralysis? Just buy one and play with it!

Are battery holders included?

Yes! 4, 3 & 2 AA battery holders are included in the product.

Does the armature come with the wire already wound on it?

Yes it is already wound. I helped my grandson assemble it about two years ago. It was better quality than I expected, and a good value.

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EUDAX STEM DIY Simple Electric Motor DC Motors Model Assemble Kit for School Labs Physics Science Educational

Product ID: 159285845

⚡1.5V-6V working voltage

🧲≥72mT magnetic flux density

🛠️Easy assemble & disassemble

₨11578

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Description

⚙️ Ignite curiosity with every spin — your gateway to mastering electric motors!

COMPACT PORTABLE - Lightweight 0.27kg kit fits easily on any desk or classroom workspace.
HANDS ON STEM MASTERY - Build and power a real working motor to unlock the magic of electromagnetism.
IDEAL EDUCATIONAL TOOL - Perfect for school labs, science projects, and sparking curiosity in physics.
USER FRIENDLY ASSEMBLY - Clear English manual ensures frustration-free setup for both beginners and pros.
PRECISION MAGNETIC POWER - Strong 72mT magnets deliver authentic motor rotation and magnetic field visualization.

The EUDAX STEM DIY Simple Electric Motor Kit is a compact, easy-to-assemble educational tool designed for physics enthusiasts and students. Operating between 1.5V and 6V, it features strong 72mT magnets and copper components to demonstrate real motor mechanics. Ideal for school labs and science projects, it comes with a detailed English manual and supports hands-on learning of electromagnetic principles.

Specifications

ASIN	B07XWQ35MS
Age Range Description	Kid
Battery Description	Alkaline
Best Sellers Rank	#101,619 in Toys & Games ( See Top 100 in Toys & Games ) #915 in Educational Science Kits
Brand Name	EUDAX
Customer Reviews	4.3 4.3 out of 5 stars (398)
Educational Objective	Physics teaching model-the basic structure of the motor
Item Weight	0.27 kg
Manufacturer	EUDAX
Manufacturer Minimum Age (MONTHS)	168
Manufacturer Part Number	EX-DC-MOD
Material Type	Copper
Set Name	EUDAX Simple Electric Motor Kit
Size	22x20x20 millimeters, 14x9x10.3 centimeters
Theme	Physics
Unit Count	1 Count

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₨11578

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered 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 Sri Lanka.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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