--- product_id: 503466609 title: "HAPPY HCJ300 Junior Cardboard Box 3D Puzzle, Pack of 6 Age 3+" brand: "smartgames" price: "1331983₫" currency: VND in_stock: true reviews_count: 5 category: "Smart Games" url: https://www.desertcart.vn/products/503466609-happy-hcj300-junior-cardboard-box-3d-puzzle-pack-of-6 store_origin: VN region: Vietnam --- # Vibrant multi-color design Compact 40x40x40 mm cubes 6 unique puzzles, 6 difficulty levels HAPPY HCJ300 Junior Cardboard Box 3D Puzzle, Pack of 6 Age 3+ **Brand:** smartgames **Price:** 1331983₫ **Availability:** ✅ In Stock ## Summary > 🧠 Unlock your child's genius, one colorful cube at a time! ## Quick Answers - **What is this?** HAPPY HCJ300 Junior Cardboard Box 3D Puzzle, Pack of 6 Age 3+ by smartgames - **How much does it cost?** 1331983₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/503466609-happy-hcj300-junior-cardboard-box-3d-puzzle-pack-of-6) ## Best For - smartgames enthusiasts ## Why This Product - Trusted smartgames brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Portable Design:** Perfectly sized 40mm cubes for little hands on the go - • **Boost Early Learning Skills:** Symbols on pieces promote language and recognition development - • **Ready to Play, No Assembly Needed:** Instant fun with no setup or batteries required - • **Vibrant Colors for Visual Stimulation:** Bright hues that captivate and encourage focus - • **Engage Young Minds with 6 Levels of Fun:** Progressive difficulty keeps kids challenged and curious ## Overview The HAPPY HCJ300 Junior Cardboard Box 3D Puzzle pack includes six vibrant, foam-based cubes sized 40x40x40 mm, designed for children aged 3 to 7. Each puzzle features unique symbols to enhance language and recognition skills, with six escalating difficulty levels to sustain engagement. Lightweight and portable, this set requires no assembly or batteries, making it an ideal educational toy for early cognitive development and long-lasting play. ## Description 3D Jigsaw Puzzle - Junior is the simplest version of the Happy Cube family and is therefore intended for our little puzzle fans. The puzzle pieces carry symbols, which promotes their recognition and language development of the little ones. Each of the six junior puzzles has its own shape and colour and multiple solutions. The 6-pack cardboardbox contains 6 puzzles (6 difficulty levels). The various puzzle tasks that can be solved for long play and puzzle fun. Review: Acheté pour ma fille de 4 ans et demi. Ça l’occupe plusieurs heures par jour. Elle est ravie et nous aussi. Elle arrive sans trop de problème. Livraison rapide Review: I've been looking for puzzles like this for literally 20 years. I found similar puzzles in a store in the late 90s, and once lost, could never find any more. Lots of fun, nice challenge. ## Features - Cube size: 40 x 40 x 40 mm - Material: foam - 3D puzzle for ages 3-7 years. - Difficulty level easy in 6 levels. - Various colours. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01MRQ0LXE | | Assembly Required | No | | Batteries Included? | No | | Batteries Required? | No | | Best Sellers Rank | #166,356 in Toys ( See Top 100 in Toys ) #1,288 in 3-D Puzzles | | Color | Mehrfarbig | | Customer Reviews | 4.7 4.7 out of 5 stars (110) | | Date First Available | 4 April 2017 | | Educational Objective(s) | Combining, Concentration Skill | | Item model number | HCJ300 | | Language | French, German | | Manufacturer recommended age | 36 months - 7 years | | Manufacturer's Suggested Maximum Weight | 0.1 Kilograms | | Material Type(s) | Ethylene Vinyl Acetate Foam | | Number of Game Players | 1-6 | | Number of Puzzle Pieces | 6 | | Product Dimensions | 10 x 10 x 0.25 cm; 70 g | | Remote Control Included? | No | ## Product Details - **Age range (description):** 3 years to 99 years - **Brand:** SmartGames - **Material:** Ethylene Vinyl Acetate Foam - **Number of players:** 1-6 - **Theme:** Building ## Images ![HAPPY HCJ300 Junior Cardboard Box 3D Puzzle, Pack of 6 Age 3+ - Image 1](https://m.media-amazon.com/images/I/71C4xVoB3VL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***E on 19 May 2019* Acheté pour ma fille de 4 ans et demi. Ça l’occupe plusieurs heures par jour. Elle est ravie et nous aussi. Elle arrive sans trop de problème. Livraison rapide ### ⭐⭐⭐⭐⭐ Review *by C***N on 27 August 2025* I've been looking for puzzles like this for literally 20 years. I found similar puzzles in a store in the late 90s, and once lost, could never find any more. Lots of fun, nice challenge. ### ⭐⭐⭐⭐⭐ Review *by M***N on 25 February 2025* Fun Easy to clean and setting up Good for starters ## Frequently Bought Together - HAPPY HCJ300 Junior Cardboard Box 3D Puzzle, Pack of 6 - HAPPY HCO300 Original Cardboard Box 3D Puzzle, Pack of 6 , 13x2,6x23 cm - Happy Cube Pro --- ## 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.vn/products/503466609-happy-hcj300-junior-cardboard-box-3d-puzzle-pack-of-6](https://www.desertcart.vn/products/503466609-happy-hcj300-junior-cardboard-box-3d-puzzle-pack-of-6) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-23*