Learning Resources Gears Gizmos Building Set LER9171, 83 Pieces

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Product guide

Learning Resources Gears Gizmos Building Set LER9171, 83 Pieces

LER9171 Pieces: Learning Resources Gears Gizmos is an 83-piece, hand-powered building set for children to assemble spinning gear creations. The gears, crank, propeller and connectors support open-ended construction and cause-and-effect play, with compatibility claimed for other Gears! Gears! Gears! sets.

At a glance

Builds with small, medium and large gears, base plates, connectors and other listed pieces.
A hand crank sets assembled parts in motion, without batteries.
The listing says the pieces work with other Gears! Gears! Gears! sets.
Customer feedback describes engaging, educational play and also reports concerns about spring durability and assembling or separating pieces.

Price

$35.99Save 20%

Reference price: ~~$44.99~~

Price checked: Nov 14, 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

Learning Resources Official Gears Deluxe Building Set, STEM Building Toys | 100-Piece Set, Engineering Toys, Interlocking Gears, Construction Activity, Fine Motor Skills, STEM Learning, Ages 4+

$34.99

Learning Resources Gears Build & Bloom Building Set | Flower Building Set, Toddler Flower Toy, STEM Activities for Kids Ages 3-5, Garden Toys for Kids, Spring Kids Toys

$39.99

Pros and cons

Pros

Hand-powered play needs no batteries and lets children observe how turning gears transfer motion.
A mix of gear sizes, bases, connectors, a crank and propeller offers different ways to build.
Compatibility with other Gears! Gears! Gears! sets is claimed, which may allow existing pieces to be reused.

Technical specifications

12 specifications

Identity
Brand	Learning Resources
Model	LER9171
Recommended age	5 - 10 years
Educational objective	Engineering Skills

Operation and power
Power configuration	hand-powered
Operation mode	Manual
Battery requirement	No batteries required

Dimensions and weight
Dimensions listed	14.5 x 10.9 x 4.2 inches
Weight listed	1 kg

Materials and use
Material	Plastic
Listed usage	Indoor
Color	Multi-color

What to know before buying

Listing details to confirm

The listing gives differing age guidance: the age field says 5 - 10 years, while feature and description text says ages 3+. It also describes the set as both 83 pieces and 82 pieces. The listed number of players is 4, but simultaneous or structured multiplayer play is not explained. Customer feedback reports that some springs may break and that pieces can be difficult to assemble or separate. Check the selected listing and consider adult help if a child has difficulty with the connections.

What’s in the box

GearsIncluded
Small, medium and large gears, base plates, connectors, pillars, 6-way axles, crown gear, peg adapters, propeller, crank and sticker sheetCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Children interested in building moving gear arrangements and hands-on cause-and-effect play.
Families or educators looking for a manual, battery-free construction activity focused on early engineering ideas.
Owners of other Gears! Gears! Gears! sets who want pieces the listing says are compatible.

Less suited to

Buyers who need a clearly consistent age recommendation before choosing a set.
Anyone seeking an electronic or motor-powered building toy rather than a hand-cranked one.

Learning Resources Gears Gizmos Building Set LER9171, 83 Pieces · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 625 ratings

5 stars73%73%
4 stars14%14%
3 stars9%9%
2 stars2%2%
1 star2%2%

Customer feedback highlights engaging, educational building play, varied gear configurations and opportunities for creativity and problem-solving. Some customers also report springs breaking and difficulty putting pieces together or taking them apart. For children who enjoy experimenting with moving builds, these concerns matter because the set relies on connected gears and listed spring components. The overall rating pattern is mostly positive, but ratings do not explain the reasons behind individual scores.

Positive themes

Customers describe the set as engaging and educational, with varied gear configurations and encouragement of creativity.

Negative themes

Customer feedback reports springs breaking and pieces being difficult to assemble or separate.

Frequently asked questions

Does the set need batteries?

No. The listing specifies hand-powered manual operation and says no batteries are required.

What pieces are listed in the set?

The 83-piece feature list names small, medium and large gears, base plates, connectors, pillars, 6-way axles, a crown gear, peg adapters, a propeller, a crank and a sticker sheet. Another listing description calls it an 82-piece set, so confirm the selected listing's count.

What age is this set for?

The age field says 5 - 10 years, while feature and description text says ages 3 and up. Because the listing is inconsistent, verify the age guidance for the exact set before buying.

Can it connect to other gear sets?

The listing claims compatibility with other Gears! Gears! Gears! sets. It does not identify specific versions or combinations.