---
product_id: 553002586
title: "MindWare KEVA Contraptions Reactions Planks Building Toy - 178 KEVA Building Planks (191 Piece Set) - Free-Form Wood Building Set for Kids to Create Their Own Ball Maze – Ages 7 & Up"
brand: "mindware"
price: "1656 Lei"
currency: RON
in_stock: true
reviews_count: 5
category: "Mind Ware"
url: https://www.desertcart.ro/products/553002586-mindware-keva-contraptions-reactions-planks-building-toy-178-keva-building
store_origin: RO
region: Romania
---

# Create dynamic marble run chain reactions Includes 16-page illustrated idea book 178 precision-cut wooden planks MindWare KEVA Contraptions Reactions Planks Building Toy - 178 KEVA Building Planks (191 Piece Set) - Free-Form Wood Building Set for Kids to Create Their Own Ball Maze – Ages 7 & Up

**Brand:** mindware
**Price:** 1656 Lei
**Availability:** ✅ In Stock

## Summary

> 🛠️ Build brilliance, spark curiosity, and join the KEVA creator’s club!

## Quick Answers

- **What is this?** MindWare KEVA Contraptions Reactions Planks Building Toy - 178 KEVA Building Planks (191 Piece Set) - Free-Form Wood Building Set for Kids to Create Their Own Ball Maze – Ages 7 & Up by mindware
- **How much does it cost?** 1656 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/553002586-mindware-keva-contraptions-reactions-planks-building-toy-178-keva-building)

## Best For

- mindware enthusiasts

## Why This Product

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

## Key Features

- • **STEM Learning in Action:** Hands-on experience with physics, balance, leverage, and geometry designed for curious minds 7+.
- • **Family & Classroom Ready:** Ideal for team-building, educational play, and inspiring future architects and engineers.
- • **All-in-One Building Adventure:** Includes unique pieces like dowels, balls, bell, bowling pin, and toy car to spark imagination.
- • **Limitless Creative Engineering:** Build stunning structures and complex chain reactions with no glue or connectors needed.
- • **Premium Precision Craftsmanship:** Uniform, smooth wooden planks stack perfectly every time for flawless builds.

## Overview

The MindWare KEVA Contraptions Reactions Planks Building Toy is a 191-piece premium wooden set featuring 178 precision-cut planks and unique accessories to build marble runs and chain reaction contraptions. Designed for ages 7 and up, it fosters STEM skills like physics and geometry through hands-on play without glue or connectors. Complete with an illustrated idea book, this set offers endless creative possibilities for kids and adults alike.

## Description

Product description The simplicity of KEVA planks allows limitless possibilities! With KEVA, every piece is precision-milled, so they are all exactly the same and stack with unbelievable stability. Teachable Moments KEVA teaches a basic understanding of physics and engineering concepts. Physically handling the blocks builds a fundamental understanding of quantities, equality, geometry, balance and design. Each kit includes an idea book with concepts to stimulate builders. Easy to Use No glue or connectors required! Simply stack the solid KEVA planks to create buildings, monuments and geometric forms. All Ages Loved by boys and girls as young as 5 and as old as 100. All KEVA kits are compatible! KEVA is simple enough for easy builds and more complex designs. Adults can't resist getting in on the fun! Children of all ages can be challenged and successful when building with KEVA planks—it is the perfect family activity! Purposeful Play The KEVA Educator's Manual is loaded with lesson plans and classroom activities, and each kit's included guides shows you how to add a hands-on component to math, science, reading, social studies, and other subjects. Directions Included

Review: Was well worth the cost ! So many ways to use he is constantly building something different . I thought pricey however solid high quality and excellent alternative to his Lego !
Review: Was given as a gift. He loved building and creating with it. It has a lot of materials in a small box. Was surprised when he created a domino run almost 12 feet long.

## Features

- STEM Toys That Teach: These KEVA blocks help kids gain first-hand experience with balance, leverage, geometry and the principles of physics while fostering an interest in architecture and design
- Create Chain Reactions: Use the wooden building planks to build a marble run full of tunnels, ramps and other contraptions, then see if your KEVA ball sets off chain reactions like knocking over a bowling pin or ringing a bell
- Unique Plank Building Block Set: This wood building set features traditional KEVA planks along with colored building planks and unique pieces to create one-of-a-kind KEVA ball run structures
- No Hassle: These premium KEVA STEM planks are precision-cut from beautiful wood to stack perfectly time after time, no glue or connectors needed; simply unpack and build impressive KEVA structures
- KEVA Contraptions Reactions includes 178 wooden planks for building, 8 dowels, 2 reaction balls, 1 bell, 1 string, 1 bowling pin, 1 toy car and a 16-page illustrated idea book (Ages 7 and up)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09J69CHVP |
| Assembly Required | No |
| Batteries Required? | No |
| Best Sellers Rank | 569,074 in Toys & Games ( See Top 100 in Toys & Games ) 5,130 in Educational Science Kits |
| Colour | Colored |
| Customer Reviews | 4.6 4.6 out of 5 stars (64) |
| Date First Available | 20 Nov. 2022 |
| Educational Objective(s) | Team Building Skills |
| Manufacturer recommended age | 8 years and up |
| Manufacturer reference | 14100193 |
| Material Type(s) | Wood |
| Number of pieces | 178 |
| Package Dimensions | 37.39 x 24.61 x 8.61 cm; 2.33 kg |
| tech_spec_battery_description_toys | No batteries required |

## Product Details

- **Brand:** MindWare
- **Colour:** Colored
- **Educational objective:** Team Building Skills
- **Manufacturer Minimum Age (MONTHS):** 96.00
- **Material:** Wood
- **Model name:** KEVA Contraptions Reactions
- **Number of pieces:** 178
- **Special feature:** No glue or connectors required.
- **Sub brand:** KEVA Contraptions
- **Theme:** Architecture

## Images

![MindWare KEVA Contraptions Reactions Planks Building Toy - 178 KEVA Building Planks (191 Piece Set) - Free-Form Wood Building Set for Kids to Create Their Own Ball Maze – Ages 7 & Up - Image 1](https://m.media-amazon.com/images/I/71e1Qp3SLvL.jpg)

## Questions & Answers

**Q: How is the Contraptions Reactions set different from standard KEVA planks?**
A: Beyond 178 wooden planks, you get reaction pieces—bells, dowels, a bowling pin, string, balls, and more—to trigger chain-reaction events.

**Q: What will my child learn?**
A: Hands-on lessons in balance, leverage, geometry, force and motion while they experiment with cause-and-effect.

**Q: Do the planks require glue?**
A: No, precision-cut wood stacks perfectly—kids can redesign contraptions endlessly.

**Q: What ages is it for?**
A: Suggested for ages 7 +—challenging enough for tweens but still safe and open-ended.

**Q: Does it come with build ideas?**
A: Yes, a 16-page illustrated idea book jump-starts creative marble-run and chain-reaction challenges.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by S***T on 14 June 2024*

Was well worth the cost ! So many ways to use he is constantly building something different . I thought pricey however solid high quality and excellent alternative to his Lego !

### ⭐⭐⭐⭐⭐ Review
*by K***K on 14 December 2025*

Was given as a gift. He loved building and creating with it. It has a lot of materials in a small box. Was surprised when he created a domino run almost 12 feet long.

### ⭐⭐⭐⭐⭐ Review
*by A***R on 21 June 2025*

Why did you pick this product vs others?: Requested by 6-year old Grandson. He and his Dad have been working on it together. They've been having a lot of fun with it. He's beginning to build it on his own now.

## Frequently Bought Together

- MindWare KEVA Contraptions Reactions Planks Building Toy - 178 KEVA Building Planks (191 Piece Set) - Free-Form Wood Building Set for Kids to Create Their Own Ball Maze – Ages 7 & Up
- KEVA Structures 200 Wood Building Planks Set - Building Toy Includes 200 Wooden Blocks and Idea Book - Ages 5 and Up
- MindWare Keva Brain Builders Deluxe: STEM Building Toy Includes 75 KEVA Planks, 40 Puzzle Cards, 8 Design Cards, 3D Building Skills for Kids - Ages 7+

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-11*