# 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.

- [Original product page](https://best-deals.pro/product/learning-resources-gears-gizmos-building-set-ler9171)
- [View offer](https://best-deals.pro/visit/learning-resources-gears-gizmos-building-set-ler9171)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Learning Resources
- Model: LER9171
- Category: Toys & Games > Building Sets & Models
- Price: 35.99 USD
- Previous price: 44.99 USD
- Discount: 20%
- Price checked: 2026-11-14T09:44:02.846Z
- Rating: 4.5 / 5
- Reviews: 625

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## 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.

## 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.

## 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

## Before you buy

- 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.

## In the box

- Gears (Included)
- Small, medium and large gears, base plates, connectors, pillars, 6-way axles, crown gear, peg adapters, propeller, crank and sticker sheet (Check selected pack): Named in the feature list, which states 83 pieces. Other description text states 82 pieces.

## 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.

## Customer feedback

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.

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## Add-ons

- [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+](https://best-deals.pro/visit/learning-resources-gears-gizmos-building-set-ler9171)
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## Images

![Learning Resources Gears Gizmos Building Set LER9171, 83 Pieces — 1](https://best-deals.pro/i/QMXYTIY75Hae2WLmGFsxOeREG_8Bl9YPTdggtB6KUDbpgVw0Yed_1z_nCG4UO_qOXYxathx_HGYE7PrhccPYtU4KjkUbafqJRvCgXp9IYTGm-Md0zzrDH4ZG.jpg)

![Learning Resources Gears Gizmos Building Set LER9171, 83 Pieces — 2](https://best-deals.pro/i/5N8kywd0mQwHdQC-Mt4nkxER9UKO-E7o4ol-dYWlhM5mo4Ca1reaSaiJtvcbPulERtA5qcEVK0tcmYK3n2CYkvR50ZsjKyLg_CnJRS5v1nhlkj31Y-QvQsQ0.jpg)

![Learning Resources Gears Gizmos Building Set LER9171, 83 Pieces — 3](https://best-deals.pro/i/1MdMKqHRD7AkxG3S5uZ792-amszgzWOJKIfPoJ2w7pIo0cx8lAO-x4bmxJt-FqtDDtmoPiBIYVait_kmDLezUD50-t4NS5DxCVW7x7pSJVuMfHut7aODu_8c.jpg)

![Learning Resources Gears Gizmos Building Set LER9171, 83 Pieces — 4](https://best-deals.pro/i/9oWjU-fI25AnRN3m06EvluoTD6U789eqVwD9KNlPf1lS0LspxQlz6rayywCdFP1NDZ-sd5m0Vi9EVmPvGuur7eIdwM6Vlp2YRmYfIXVMLi39uLZo.jpg)

![Learning Resources Gears Gizmos Building Set LER9171, 83 Pieces — 5](https://best-deals.pro/i/ExEdP-bDZ2HD3-u3Qcdj0mhPiLIw_viR1QDZYy-wGfSRqSNPHni-AGUWr1OsPUsJzH9JznK3dkzZTzIwTpdT3N_fVyaPgIL79agGvYvycTDcxWZjUroBIqoR.jpg)