---
product_id: 335879724
title: "Klein Theo 8421 Bosch Circular Saw I Battery-Powered with circular motion, light and sound functions I Toy for Children Aged 3 years and up"
brand: "klein"
price: "€ 77.80"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.hr/products/335879724-klein-theo-8421-bosch-circular-saw-i-battery-powered-circular
store_origin: HR
region: Croatia
---

# Realistic light sparks effect Authentic sawing sound Battery-powered rotating blade Klein Theo 8421 Bosch Circular Saw I Battery-Powered with circular motion, light and sound functions I Toy for Children Aged 3 years and up

**Brand:** klein
**Price:** € 77.80
**Availability:** ✅ In Stock

## Summary

> ⚡️ Cut through boredom with the ultimate kid-safe Bosch saw experience!

## Quick Answers

- **What is this?** Klein Theo 8421 Bosch Circular Saw I Battery-Powered with circular motion, light and sound functions I Toy for Children Aged 3 years and up by klein
- **How much does it cost?** € 77.80 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/335879724-klein-theo-8421-bosch-circular-saw-i-battery-powered-circular)

## Best For

- klein enthusiasts

## Why This Product

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

## Key Features

- • **Skill Builder:** Encourages motor skills and imaginative development from age 3+
- • **Family Bonding Tool:** Perfect for 1-4 players to learn and play together safely
- • **Miniature Powerhouse:** Exact Bosch replica with safe rotating blade for immersive role play
- • **Soundtrack to Playtime:** Realistic sawing noises bring the DIY experience to life
- • **Spark Your Imagination:** Built-in light module creates captivating, harmless sparks

## Overview

The Klein Theo 8421 Bosch Circular Saw is a battery-powered, child-safe toy that mimics the real Bosch circular saw with rotating blades, authentic sawing sounds, and light sparks. Designed for children aged 3 and up, it promotes imaginative play and motor skill development while ensuring complete safety. Compact and lightweight, it’s perfect for solo or group play, making it a must-have for young DIY enthusiasts eager to emulate grown-ups.

## Description

Product Description A circular saw for the play room – sounds dangerous, but that's not the case at all. Quite the opposite: Theo Klein has built an exact replica of the successful Bosch model – with a number of important, child-friendly modifications: when you press down on the protective cover, the saw starts to rotate with a realistic sawing noise and creates sparks thanks to a light function. This light effect is completely safe and yet at the same time very impressive. Theo Klein has made the battery-powered circular saw in such a way that your little ones can have lots of fun whilst also feeling as if they are doing real work like the grown-ups. Children learn a lot from these kind of role play games – particularly when they are working alongside their parents, who can show them how to use tools safely whilst they are playing, with this saw and many of the other tools from Klein.Bosch Circular Saw The battery-powered Bosch-design circular saw has a saw blade that rotates when children are playing with it, accompanied by a sawing noise and bright sparks (light). The toy circular saw is an exact replica of the Bosch circular saw and is a completely child-friendly toy that will never be dangerous for little hands.- Dimensions: 23 cm x 16 cm x 14.5 cm - Suitable for children aged 3 years and up - Batteries required: 2 x R6-AA – not supplied with the product Set Contains: 1 xBOSCH-Circular Saw, with Bosch licence Replica toy with play function with rotating saw blade (harmless); when guard is pressed: realistic sawing noise and harmless "spark"

Review: 完全に子供のおもちゃです
Review: Ha sido un acierto.Era para un regalo y le ha gustado mucho,se ve que es de buena calidad.

## Features

- The toy circular saw is a child-friendly exact replica of an original Bosch design.
- The circular saw blade of this toy tool turns in a way that is harmless, just for fun, and is battery-powered.
- When you press down on the protective cover, you hear sawing sounds and a light module creates the illusion of sparks.
- The circular saw allows little do-it-yourself experts to emulate the grown-ups in their role play games and they also develop their imagination and motor skills through play.
- Dimensions: 23 cm x 16 cm x 14.5 cm I Toy suitable for children aged 3 years and up I Batteries required: 2 x R6-AA – not supplied with the product
- Number of players: 1 to 4

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004XAKDJQ |
| Assembly Required | No |
| Batteries | 2 AA batteries required. |
| Batteries Included? | No |
| Batteries Required? | Yes |
| Best Sellers Rank | #92,064 in Toys ( See Top 100 in Toys ) #158 in Toy Tools |
| Color | Multicolored |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,688) |
| Date First Available | 7 August 2012 |
| Educational Objective(s) | Spacial Awareness |
| Item model number | 8421 |
| Language | English, French, German |
| Manufacturer recommended age | 3 years and up |
| Material Type(s) | Plastic |
| Number of Game Players | 1 to 4 |
| Number of Puzzle Pieces | 1 |
| Product Dimensions | 23 x 16 x 14.5 cm; 384 g |
| Radio Control Suitability | Indoor |
| Release date | 19 April 2011 |
| Remote Control Included? | No |
| tech_spec_battery_description_toys | Alkaline AA batteries |

## Product Details

- **Brand:** Klein
- **Color:** Multi - Colored
- **Blade Material:** High Speed Steel
- **Surface Recommendation:** Wood
- **Power Source:** Corded Electric

## Images

![Klein Theo 8421 Bosch Circular Saw I Battery-Powered with circular motion, light and sound functions I Toy for Children Aged 3 years and up - Image 1](https://m.media-amazon.com/images/I/813RsjTEJXL.jpg)

## Customer Reviews

### ⭐ Review
*by 義***博 on 30 December 2024*

完全に子供のおもちゃです

### ⭐⭐⭐⭐⭐ Review
*by J***M on 24 September 2025*

Ha sido un acierto.Era para un regalo y le ha gustado mucho,se ve que es de buena calidad.

### ⭐⭐⭐⭐⭐ Review
*by K***R on 28 December 2025*

super Kreissäge für Kinder

## Frequently Bought Together

- Theo Klein 8421 Bosch Circular Saw I Battery-powered with circular motion, light and sound functions I Dimensions: 23 cm x 16 cm x 14.5 cm I Toy for children aged 3 years and up Multi - Colored
- Theo Klein 8379 Bosch Jigsaw I Battery-powered with up-and-down jigsaw motion, light and sound effects I Dimensions: 14.5 cm x 17 cm x 5 cm I Toy for children aged 3 years and up Multi - Colored
- Theo Klein 8450 - Bosch Percussion Drill,Toy

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**Shop now:** [https://www.desertcart.hr/products/335879724-klein-theo-8421-bosch-circular-saw-i-battery-powered-circular](https://www.desertcart.hr/products/335879724-klein-theo-8421-bosch-circular-saw-i-battery-powered-circular)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-11*