---
product_id: 616175950
title: "Melissa & Doug Underwater Wooden Gear Puzzle – 18-Piece Interlocking Gears with Colorful Ocean Artwork – STEM Learning Toy for Preschoolers – Fine Motor & Cause-&-Effect Play | MD31003"
brand: "melissa & doug"
price: "111.97 DT"
currency: TND
in_stock: true
category: "Melissa & Doug"
url: https://www.desertcart.tn/products/616175950-melissa-and-doug-underwater-wooden-gear-puzzle-18-piece-interlocking
store_origin: TN
region: Tunisia
---

# Vibrant underwater ocean theme Chunky pieces for fine motor skills 18 interlocking wooden gears Melissa & Doug Underwater Wooden Gear Puzzle – 18-Piece Interlocking Gears with Colorful Ocean Artwork – STEM Learning Toy for Preschoolers – Fine Motor & Cause-&-Effect Play | MD31003

**Brand:** melissa & doug
**Price:** 111.97 DT
**Availability:** ✅ In Stock

## Summary

> ⚙️ Spin into STEM with every colorful turn!

## Quick Answers

- **What is this?** Melissa & Doug Underwater Wooden Gear Puzzle – 18-Piece Interlocking Gears with Colorful Ocean Artwork – STEM Learning Toy for Preschoolers – Fine Motor & Cause-&-Effect Play | MD31003 by melissa & doug
- **How much does it cost?** 111.97 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/616175950-melissa-and-doug-underwater-wooden-gear-puzzle-18-piece-interlocking)

## Best For

- melissa & doug enthusiasts

## Why This Product

- Trusted melissa & doug brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **STEM-Powered Play:** Unlock early engineering skills with hands-on gear spinning fun.
- • **Vivid Ocean Adventure:** Dive into colorful sea creatures that spark imagination and learning.
- • **Cause & Effect Mastery:** Watch gears turn and learn mechanical motion through interactive play.
- • **Screen-Free Creativity:** Engage critical thinking and problem-solving without digital distractions.
- • **Designed for Little Hands:** Chunky wooden pieces perfect for developing fine motor and coordination.

## Overview

Melissa & Doug’s Underwater Wooden Gear Puzzle features 18 chunky, interlocking wooden gears adorned with bright ocean-themed artwork. Designed for preschoolers aged 3+, it promotes STEM learning by teaching cause-and-effect, fine motor skills, and spatial reasoning through engaging, screen-free play. Portable and durable, this puzzle is perfect for home, classroom, or travel, making early engineering exploration fun and accessible.

## Description

Buy Melissa & Doug Underwater Wooden Gear Puzzle – 18-Piece Interlocking Gears with Colorful Ocean Artwork – STEM Learning Toy for Preschoolers – Fine Motor & Cause-&-Effect Play | MD31003 online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Features

- 🐠 18-piece wooden gear puzzle featuring colorful underwater creatures and interlocking gears—designed to help kids understand mechanical motion and cause-and-effect through hands-on play.
- 🧠 Encourages STEM-based learning and builds problem-solving, concentration, and spatial reasoning skills as children align gears to spin together in a visually engaging aquatic setting.
- 👐 Designed for little hands, with chunky wooden pieces that are easy to grasp and turn—perfect for developing fine motor skills and hand-eye coordination in preschool-aged kids.
- 🎨 Bright ocean-themed graphics and friendly sea creatures spark imaginative play while introducing mechanical concepts in a fun, accessible way that feels like play, not learning.
- 🎁 A great educational gift for kids ages 3+, offering screen-free fun that promotes critical thinking, creativity, and early engineering exploration through rotating gear play.
- 📦 Includes sturdy wooden puzzle board and removable gear pieces for easy cleanup and storage—ideal for playrooms, classrooms, or travel-friendly educational entertainment.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BW29JHZB |
| Additional Features | Portable |
| Age Range Description | Kid |
| Best Sellers Rank | #19,783 in Toys ( See Top 100 in Toys ) #36 in Toy Interlocking Gear Sets #706 in Puzzles |
| Brand Name | Melissa & Doug |
| Color | multicoloured |
| Country of Publication | China |
| Customer Reviews | 4.8 4.8 out of 5 stars (259) |
| Educational Objective | Color Recognition, Concentration Skill, Concentration ability, Sorting Skill, hand eye coordiantion |
| Global Trade Identification Number | 00000772310031 |
| Included Components | Wooden puzzle |
| Indoor Outdoor Usage | Indoor |
| Is Assembly Required | No |
| Item Dimensions | 44 x 207 x 283 millimeters |
| Item Dimensions L x W | 22.7L x 2.5W centimeters |
| Item Shape | Rectangular |
| Item Type Name | 31003 |
| Item Weight | 318 Grams |
| Manufacturer | Melissa & Doug |
| Manufacturer Part Number | 31003 |
| Manufacturer recommended age | 36 months - 10 years |
| Material Type | Wood |
| Model Number | MND31003 |
| Number of Items | 48 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Players | 1 |
| Operation Mode | Manual |
| Play Activity Location | Tabletop |
| Power Source | Instruction manual |
| Product Style | underwater equipment puzzle |
| Puzzle Type | Jigsaw |
| Set Name | Underwater Wooden Gear Puzzle |
| Size | 30.353 x 22.733 x 0.254 cm |
| Skill Level | All |
| Subject Character | Tiere |
| Supported Battery Types | No batteries required |
| Theme | Underwater |
| UPC | 000772310031 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Melissa & Doug
- **Manufacturer Minimum Age (MONTHS):** 36.0
- **Number of pieces:** 1
- **Product dimensions:** 22.7L x 2.5W centimeters
- **Puzzle type:** Jigsaw

## Images

![Melissa & Doug Underwater Wooden Gear Puzzle – 18-Piece Interlocking Gears with Colorful Ocean Artwork – STEM Learning Toy for Preschoolers – Fine Motor & Cause-&-Effect Play | MD31003 - Image 1](https://m.media-amazon.com/images/I/81RiCV7K1yL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-10-16*