what is the module of these gears?

I don't know. It is not printed on the gears anywhere and I cant honestly see well enough right now to count the teeth. their pretty small. so I don't know.

The promotional codes 5fmsmqp8 and 9l4wnv7 didn't work as i tried them, and none made any differences at all! why? will you fix the issues?

I feel this question is either for Amazon or the supplier, I don’t think I could help.

do you have suggested things you could make w/ these for 7 year old ?

My 7 year old and I made a car using posicle sticks and a glue gun in addition to the kit. Since the gears are so small the tollerance for placing them correctly is pretty tight. My 7 year old wasn't able to line up the axle holes by himself and still have the gears mesh. With adult help and immagination you could make all kinds of contraptions.

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EUDAX 82 pcs Plastic Gear Package Kit - DIY Gear Assortment Accessories Set for Toy Motor Car Robot Various Axle Belt Bushings

EUDAX 82 pcs Plastic Gear Package Kit - DIY Gear Assortment Accessories Set for Toy Motor Car Robot Various Axle Belt Bushings

Product ID: 52618660

📏Axles in 4 precise lengths (30-100mm)

🔧Multi-functional DIY kit

⚙️82 versatile gear parts

5.98 OMR

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Description

⚙️ Unlock your inner engineer with the ultimate DIY gear kit!

DIVERSE GEAR TYPES - Includes single/double crown gears, bevel gears, pulleys, racks, and copper gears for complex mechanical designs.
COMPACT LIGHTWEIGHT - At just 0.15 lbs and small dimensions, this kit fits neatly into any workspace or backpack for on-the-go innovation.
DIY READY EDUCATIONAL - Perfect for hands-on science projects, product design, and small-scale production—boost your creative edge.
PRECISION AXLES WHEELS - Axles in 30, 50, 70, and 100mm lengths with 2mm shafts, plus 4 durable 30mm wheels for smooth motion.
COMPLETE 82 PIECE GEAR ARSENAL - Everything you need to build, fix, or prototype your toy cars, robots, and mechanical models.

The EUDAX 82 pcs Plastic Gear Package Kit is a comprehensive DIY assortment featuring 82 plastic and rubber components including axles (30-100mm), wheels, pulleys, crown and bevel gears, racks, and bushings. Designed for toy cars, robots, and mechanical models, it supports hands-on prototyping and educational projects with precision parts and multi-functional use—all in a compact, lightweight set.

Specifications

ASIN	B0776ZPP7V
Age Range Description	Kid
Best Sellers Rank	#106,561 in Toys & Games ( See Top 100 in Toys & Games ) #25 in Toy Interlocking Gear Sets
Brand Name	EUDAX
Color	Assorted
Customer Reviews	4.3 4.3 out of 5 stars (460)
Educational Objective	Color Recognition
Indoor Outdoor Usage	Indoor
Item Dimensions	5.7 x 3.5 x 1 inches
Item Weight	2.4 ounces
Manufacturer	EUDAX
Manufacturer Part Number	EH-GEAR-82KIT
Material Type	Plastic, Rubber
Number of Players	1
Operation Mode	Manual
Power Source	Manual
Set Name	82-Piece Plastic Gear Accessory Set
Size	Small
Subject Character	Robot
Supported Battery Types	No batteries required
Theme	Car,Robot
UPC	756155716883
Unit Count	82 Count

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5.98 OMR

Duties & taxes included

In stock

Sold byAmazon OMANDelivered 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 OMAN.

Secure transaction

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Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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Fantastic and great service. Shipping was faster than expected.

1 week ago

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2 months ago

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