---
product_id: 729543246
title: "Smartivity 25 in 1 Multi-Builds Hydraulic Kit STEM DIY Kit for Kids 6-14 | Educational Science Toy | Best Birthday Gifts for Boys & Girls Ages 6-8-10-12 | STEM Learning Toys for 6-14 Year Olds"
brand: "smartivity"
price: "AR$207186"
currency: ARS
in_stock: false
reviews_count: 4
url: https://www.desertcart.com.ar/products/729543246-smartivity-25-in-1-multi-builds-hydraulic-kit-stem-diy
store_origin: AR
region: Argentina
---

# Sustainable engineered wood STEM learning & skill development 25 unique hydraulic builds Smartivity 25 in 1 Multi-Builds Hydraulic Kit STEM DIY Kit for Kids 6-14 | Educational Science Toy | Best Birthday Gifts for Boys & Girls Ages 6-8-10-12 | STEM Learning Toys for 6-14 Year Olds

**Brand:** smartivity
**Price:** AR$207186
**Availability:** ❌ Out of Stock

## Summary

> ⚙️ Build, Learn, Play: The Ultimate STEM Adventure Kit for Future Innovators!

## Quick Answers

- **What is this?** Smartivity 25 in 1 Multi-Builds Hydraulic Kit STEM DIY Kit for Kids 6-14 | Educational Science Toy | Best Birthday Gifts for Boys & Girls Ages 6-8-10-12 | STEM Learning Toys for 6-14 Year Olds by smartivity
- **How much does it cost?** AR$207186 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/729543246-smartivity-25-in-1-multi-builds-hydraulic-kit-stem-diy)

## Best For

- smartivity enthusiasts

## Why This Product

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

## Key Features

- • **Lifetime Play Assurance:** Includes all parts plus a lifetime supply of replacements to keep the fun uninterrupted.
- • **Eco-Friendly Engineering:** Crafted from premium sustainable wood for durability and safe, guilt-free play.
- • **Screen-Free STEM Mastery:** Boost creativity and critical thinking with hands-on learning—no batteries or screens needed.
- • **Endless Hydraulic Creations:** Build 25+ interactive projects that bring science to life with fluid-powered motion.
- • **Globally Acclaimed & Trusted:** Award-winning STEM toy loved by families in 33+ countries, designed by IIT Delhi alumni.

## Overview

The Smartivity 25-in-1 Multi-Builds Hydraulic Kit is a premium STEM DIY toy designed for kids aged 6-14. Featuring 25 diverse hydraulic projects, it encourages hands-on learning in science, engineering, and mechanics without screens or batteries. Made from sustainable engineered wood, it offers durable, eco-conscious fun with lifetime replacement parts. Developed by IIT Delhi alumni and recognized globally, this kit combines education and entertainment to inspire the next generation of innovators.

## Description

Product description Unleash your creativity and engineering skills with our 25-in-1 Multi Builds Hydraulic DIY Kit! Dive into a world of endless possibilities as you construct captivating projects like a super hero mask, basketball, windmill, flapping birds, and stamp machines, plus 20 more exciting builds. Experience the power of hydraulics as you bring each project to life with fluid movement and precision. Whether you're a beginner or a seasoned builder, this kit offers a hands-on learning experience that's both educational and entertaining. Transform into your favorite superhero with the included super hero mask, or challenge your friends to a game of basketball with your homemade hoop. Watch in amazement as your windmill spins gracefully in the breeze, or create delightful flapping birds that mimic the beauty of nature. With easy-to-follow instructions and educational insights, this kit is perfect for budding engineers of all ages. Explore the principles of Hydraulics, Gears and linkages while building projects that inspire imagination and creativity. Our 25-in-1 Multi Builds Hydraulic DIY Kit guarantees hours of fun and exploration. Get ready to embark on a journey of discovery as you build, learn, and play! Manufacturer Contact Information Smartivity Labs Pvt Ltd, 1st Floor, 258 Kuldeep House Lane No 3, Marg Saidulajab, Westend Marg, Saket, New Delhi, Delhi 110030 Phone: 081309 49966

Review: Very useful for my grandson . Keeps him occupied and he is very much interested
Review: I got it as a gift for my nephews and they loved playing with it.

## Features

- ACTION-PACKED FUN TIME: Build your own Super Hero Mask, Prank Toys, Flapping Bird & many more for endless fun. Our step-by-step instructional manual ensures a deeply engaging DIY experience, perfect for kids to construct and enjoy for hours. Designed for Boys and Girls for ages, 6,7,8,9,10,11,12,13,14 years old
- DEVELOPS KEY SKILLS: Reduce screen time and boost confidence and creativity with 100% screen-free engagement. As kids build their own toys, they learn about the science around us, developing a lifelong love for science.
- FREE PARTS LIFETIME: Enjoy hassle-free fun with all parts included, plus a lifetime supply of replacement parts. Easy-to-follow instructions make building a breeze, ensuring uninterrupted playtime
- MADE FROM SUSTAINABLE WOOD: Made from the highest quality engineered wood, our toys are completely safe for kids and boast long-lasting durability.
- ULTIMATE GIFT: Give the gift of entertainment and learning combined. Ideal for birthday gifts for boys and girls, this makes for a thoughtful present that provides endless hours of enjoyment and learning for kids.
- LOVED BY KIDS AND PARENTS WORLDWIDE: Trusted by families in 33+ countries, our toys have received multiple accolades, including STEM org approval, the 2022 Innovative Toy of the Year in the Netherlands, and TOTY 2022 Finalist. Join a global community celebrating STEM education through play.
- AN IIT DELHI ALUMNI VENTURE: Crafted by IIT Delhi alumni and rigorously kid-tested for over 100 hours. Our team brainstormed hundreds of ideas to create the most exciting projects that are also age-appropriate and educational.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CX91BQV4 |
| Assembly Required | Yes |
| Batteries Required? | No |
| Color | Multicolor |
| Customer Reviews | 4.2 4.2 out of 5 stars (43) |
| Date First Available | 10 May 2025 |
| Educational Objective(s) | Construction Skills, Gears and Linkages, STEM |
| Item model number | SMRT1221 |
| Language | English |
| Manufacturer recommended age | 6 - 14 years |
| Material Type(s) | MDF |
| Product Dimensions | 25 x 33.6 x 4 cm; 670 g |

## Product Details

- **Age range (description):** Kid
- **Brand:** Smartivity
- **Item dimensions L x W x H:** 25 x 33.6 x 4 centimeters
- **Size:** Free size
- **Theme:** Hydraulics

## Images

![Smartivity 25 in 1 Multi-Builds Hydraulic Kit STEM DIY Kit for Kids 6-14 | Educational Science Toy | Best Birthday Gifts for Boys & Girls Ages 6-8-10-12 | STEM Learning Toys for 6-14 Year Olds - Image 1](https://m.media-amazon.com/images/I/71QvbP2NYgL.jpg)
![Smartivity 25 in 1 Multi-Builds Hydraulic Kit STEM DIY Kit for Kids 6-14 | Educational Science Toy | Best Birthday Gifts for Boys & Girls Ages 6-8-10-12 | STEM Learning Toys for 6-14 Year Olds - Image 2](https://m.media-amazon.com/images/I/71TC+zP-x5L.jpg)
![Smartivity 25 in 1 Multi-Builds Hydraulic Kit STEM DIY Kit for Kids 6-14 | Educational Science Toy | Best Birthday Gifts for Boys & Girls Ages 6-8-10-12 | STEM Learning Toys for 6-14 Year Olds - Image 3](https://m.media-amazon.com/images/I/71ZJRFlURQL.jpg)
![Smartivity 25 in 1 Multi-Builds Hydraulic Kit STEM DIY Kit for Kids 6-14 | Educational Science Toy | Best Birthday Gifts for Boys & Girls Ages 6-8-10-12 | STEM Learning Toys for 6-14 Year Olds - Image 4](https://m.media-amazon.com/images/I/810kXTHKytL.jpg)
![Smartivity 25 in 1 Multi-Builds Hydraulic Kit STEM DIY Kit for Kids 6-14 | Educational Science Toy | Best Birthday Gifts for Boys & Girls Ages 6-8-10-12 | STEM Learning Toys for 6-14 Year Olds - Image 5](https://m.media-amazon.com/images/I/81ceNbC4fOL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by U***N on 23 December 2025*

Very useful for my grandson . Keeps him occupied and he is very much interested

### ⭐⭐⭐⭐⭐ Review
*by N***I on 23 July 2025*

I got it as a gift for my nephews and they loved playing with it.

### ⭐⭐ Review
*by P***H on 16 July 2024*

Things break many times u r trying to get them out of the mould. Also the toys made are not playable and just show pieces

## Frequently Bought Together

- Smartivity 25 in 1 Multi-Builds Hydraulic Kit STEM DIY Kit for Kids 6-14 | Educational Science Toy | Best Birthday Gifts for Boys & Girls Ages 6-8-10-12 | STEM Learning Toys for 6-14 Year Olds
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- Smartivity 2in1 Hydraulic Aeroplane & Dart Launcher Toy for Kids 6-8-10-12-14 Years Old | Shoots Planes/Darts Far in Air I Exciting Birthday Gifts for Boys & Girls | DIY Science Toy for Kids 6-14

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-02-05*