---
product_id: 398166484
title: "– KASTWAVE Construction Toys 600 Pieces Of Straw Toys, Interlocking Plastic Toys, Thin Tube Building Blocks Toy Kit, Suitable For Indoor And Outdoor Children'S Toys, Gifts For Boys And Girls"
brand: "kastwave"
price: "¥5938"
currency: JPY
in_stock: true
reviews_count: 2
category: "Kastwave"
url: https://www.desertcart.jp/products/398166484-kastwave-construction-toys-600-pieces-of-straw-toys-interlocking-plastic
store_origin: JP
region: Japan
---

# Multi-color design sparks creativity STEM-focused engineering & spatial skills 600 vibrant interlocking pieces – KASTWAVE Construction Toys 600 Pieces Of Straw Toys, Interlocking Plastic Toys, Thin Tube Building Blocks Toy Kit, Suitable For Indoor And Outdoor Children'S Toys, Gifts For Boys And Girls

**Brand:** kastwave
**Price:** ¥5938
**Availability:** ✅ In Stock

## Summary

> 🚀 Build brilliance, spark friendships, and engineer the future!

## Quick Answers

- **What is this?** – KASTWAVE Construction Toys 600 Pieces Of Straw Toys, Interlocking Plastic Toys, Thin Tube Building Blocks Toy Kit, Suitable For Indoor And Outdoor Children'S Toys, Gifts For Boys And Girls by kastwave
- **How much does it cost?** ¥5938 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/398166484-kastwave-construction-toys-600-pieces-of-straw-toys-interlocking-plastic)

## Best For

- kastwave enthusiasts

## Why This Product

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

## Key Features

- • **Expandable Fun:** Perfect starter kit that grows with your child’s imagination and collection.
- • **Social Builder:** Designed for collaborative indoor & outdoor fun, enhancing teamwork skills.
- • **STEM Powerhouse:** Boost engineering, math, and spatial reasoning through hands-on play.
- • **Safe & Eco-Friendly:** Non-toxic, BPA-free materials with international safety certifications.
- • **Endless 4D Creativity:** Build airplanes, castles, robots & more with 600 versatile pieces.

## Overview

KASTWAVE Construction Toys offer 600 colorful, interlocking straw pieces designed for children aged 5-10 to build complex 4D structures. This STEM-focused kit enhances engineering, math, and spatial reasoning skills while encouraging social play indoors or outdoors. Made from safe, BPA-free plastic and certified for safety, it’s the perfect educational gift that grows with your child’s creativity.

## Description

The straw toy is a connection, construction and construction toy that teaches children to design, experiment, space and mechanical thinking, and let their imagination play freely! 600pcs building block toy means hours of endless fun and engineering education, these are all It is a beautiful color.-The perfect plastic building block set for any occasion!-The expandable kit makes it easier for your smart architect to purchase more items. Make your straw structure collection larger, suitable for cooperative play and larger structures!-Include:600pcs building block toys

Review: Blocks toys - Very good quality my kids love it and made things in their free time highly recommended 👌
Review: جيد

## Features

- ღ5-10 year old children's straw building toy: suitable for 5-7 year old children. This 4D building block can be assembled in various shapes, such as airplanes, cruise ship deformed cars, castles, robot animals, etc.ღ5-10 year old children's straw building toy: suitable for 5-7 year old children. This 4D building block can be assembled in various shapes, such as airplanes, cruise ship deformed cars, castles, robot animals, etc.
- & Educational STEM Toy: This straw building toy is a classroom educational toy, indoor activity, early learning tool, preschool learning toy, collaborative team toy, which can exercise boys and girls' engineering skills, mathematics, structure, reasoning and imagination.
- ❇ Imaginative gift toy: This straw block with storage box is very suitable for outdoor or indoor multiple people to study and play together. Educational toys for kindergartens, children's centers and classrooms. The perfect gift, suitable for preschool, play games, etc.
- ☀️Share Tinkerbell toys with friends: there are a sufficient number of 600 pieces of building toys for multiple children to play together indoors or outdoors, toys that can increase children's friendship and social interaction
- 💖Safety: The product has passed international safety inspections and certifications. We use non-toxic, safe and environmentally friendly materials that do not contain bisphenol A to develop and manufacture construction toys.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09KM162FB |
| Assembly Required | Yes |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #1,468 in Toys ( See Top 100 in Toys ) #99 in Toy Building Sets |
| Color | multi |
| Customer Reviews | 4.5 4.5 out of 5 stars (9) |
| Date First Available | 28 October 2021 |
| Educational Objective(s) | Engineering Skills, STEM, Spatial Reasoning, Team Building Skills |
| Manufacturer recommended age | 5 years and up |
| Material Type(s) | Plastic |
| Number of Puzzle Pieces | 600 |
| Product Dimensions | 21 x 25 x 4 cm; 860 g |

## Images

![– KASTWAVE Construction Toys 600 Pieces Of Straw Toys, Interlocking Plastic Toys, Thin Tube Building Blocks Toy Kit, Suitable For Indoor And Outdoor Children'S Toys, Gifts For Boys And Girls - Image 1](https://m.media-amazon.com/images/I/71lJaN7r6gL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Blocks toys
*by S***A on 9 November 2025*

Very good quality my kids love it and made things in their free time highly recommended 👌

### ⭐⭐⭐⭐⭐ Review
*by S***Q on 6 January 2025*

جيد

## Frequently Bought Together

- KASTWAVE Construction Toys 600 Pieces Of Straw Toys, Interlocking Plastic Toys, Thin Tube Building Blocks Toy Kit, Suitable For Indoor And Outdoor Children'S Toys, Gifts For Boys And Girls
- Playmate 500 PCS Smart Sticks Building Toy Building Blocks Different Shape Educational Construction Engineering Set 3D Puzzle, Interlocking Creative Connecting Kit

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/398166484-kastwave-construction-toys-600-pieces-of-straw-toys-interlocking-plastic](https://www.desertcart.jp/products/398166484-kastwave-construction-toys-600-pieces-of-straw-toys-interlocking-plastic)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-15*