--- product_id: 353330378 title: "Star Flex STEM Building Toys - 70 Connector Blocks for Kids with Tote - Kindergarten STEM & Preschool Table Top Toys - Open Ended Building Blocks for Boys and Girls 3 Years Old & Up" brand: "rainbow toyfrog" price: "$92.02" currency: USD in_stock: false reviews_count: 7 url: https://www.desertcart.us/products/353330378-star-flex-stem-building-toys-70-connector-blocks-for-kids store_origin: US region: United States of America --- # 70+ star-shaped connectors Portable tote for on-the-go play Boosts STEM skills & creativity Star Flex STEM Building Toys - 70 Connector Blocks for Kids with Tote - Kindergarten STEM & Preschool Table Top Toys - Open Ended Building Blocks for Boys and Girls 3 Years Old & Up **Brand:** rainbow toyfrog **Price:** $92.02 **Availability:** ❌ Out of Stock ## Summary > 🌈 Build brilliance, block by block—because future innovators start young! ## Quick Answers - **What is this?** Star Flex STEM Building Toys - 70 Connector Blocks for Kids with Tote - Kindergarten STEM & Preschool Table Top Toys - Open Ended Building Blocks for Boys and Girls 3 Years Old & Up by rainbow toyfrog - **How much does it cost?** $92.02 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/353330378-star-flex-stem-building-toys-70-connector-blocks-for-kids) ## Best For - rainbow toyfrog enthusiasts ## Why This Product - Trusted rainbow toyfrog brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **STEM-Driven Play:** Designed to enhance problem-solving, reasoning, and cognitive development from age 3+. - • **Compact Tote Included:** Take the fun anywhere—perfect for busy families and on-the-go learning moments. - • **Classroom & Home Essential:** A must-have preschool set that keeps kids engaged while you reclaim your time. - • **70+ Vibrant Star Connectors:** Endless multi-dimensional building possibilities spark creativity and fine motor mastery. - • **Safe & Ready Out-of-the-Box:** Non-toxic, no assembly or batteries needed—just open and ignite imagination instantly. ## Overview RAINBOW TOYFROG Star Flex STEM Building Toys offer 70+ colorful, star-shaped connector blocks designed for children aged 3 and up. This portable set promotes fine motor skills, creative thinking, and STEM learning without the need for batteries or assembly. Backed by a 100% satisfaction guarantee, it’s an ideal educational gift that keeps kids engaged and parents stress-free. ## Description Play, store and take it with you wherever you go! Best Educational Building Toys for your Children.. Set your little engineer's imagination in motion. Fun, bright colors and easy-to-assemble pieces help build fine motor skills and make this hands-on construction super set a whole new building experience. Why should you choose our engineering thinker toys? Intellectual Capital Is The Best Investment! Thinking & Problem Solving: Ever-changing shapes, never tired of playing building blocks. Imagination & Creativity: Opening up thinking, motivating creativity by building the block kits. Cognitive Ability: Rich colors, shaping recognition for preschool age children, best educational toy kit. Manipulative Ability: Both educational and entertaining, endless fun starting here, making newfangled structure by the building toy. Product Details:70+ pcs set 1 Idea guide Product Weighs Approximately 1.22 lbs / 0.55 kgs Get this fun building Blocks set for your children by clicking ‘Add to Cart’ above. Thinking & Problem Solving: Ever-changing shapes, never tired of playing building blocks. Imagination & Creativity: Opening up thinking, motivating creativity by building the block kits. Cognitive Ability: Rich colors, shaping recognition for preschool age children, best educational toy kit. Manipulative Ability: Both educational and entertaining, endless fun starting here, making newfangled structure by the building toy. Product Details:70+ pcs set 1 Idea guide Product Weighs Approximately 1.22 lbs / 0.55 kgs Nontoxic Plastic Get this fun building Blocks set for your children by clicking ‘Add to Cart’ above. CHRISTMAS GIFT for kids Review: lovely toys - the child played with it straight from the box, lovely brite colors Review: Good toy - Good ## Features - Stem Building Toys: Create multi-dimensional shapes & forms using the star shaped pieces. Boosts fine motor skills while promoting reasoning and problem solving. - Blocks for Kids: Invite budding engineers to get hands-on experience with the simple mechanics of building. - Kids Well Entertained: Keeping kids happily engaged, freeing yourself from baby-sitting. Great learning toys for 3 year olds + - Great Value: 70+ pcs kids building blocks set. One of preschool classroom must haves toddler building toys. - Guarantee: products are backed by a 100% guarantee that you are truly satisfied with your product.It is the best Christmas gift sets for children. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B076HL4ZVD | | Age Range Description | 3 years and Above | | Best Sellers Rank | 79,459 in Toys & Games ( See Top 100 in Toys & Games ) 2,245 in Toy Building Sets | | Brand Name | RAINBOW TOYFROG | | Colour | Rainbow | | Country Of Origin | China | | Customer Package Type | FFP | | Customer Reviews | 4.6 4.6 out of 5 stars (1,213) | | Educational Objective | Creative Thinking, Motor Skills, Problem Solving Skills, STEM | | Global Trade Identification Number | 00711931714521 | | Is Assembly Required | No | | Item Dimensions | 30.5 x 21.6 x 7.6 centimetres | | Item Weight | 508 g | | Manufacturer | RAINBOW TOYFROG | | Manufacturer Part Number | RT007 | | Material Type | Plastic | | Minimum Age Recommendation | 3 | | Model Name | RT007 | | Model Number | RT007 | | Model Year | 2016 | | Number of Pieces | 70 | | Operation Mode | manual | | Power Source | manual | | Set Name | Star Flex | | Size | 8.5 inches (W) x 12 inches (L) x 3 inches (H) | | Special Features | Flexible | | Subject Character | [Blank] | | Supported Battery Types | No battery required | | Target Audience | children aged 3 years and above, of all genders | | Theme | Shapes | | Toy Building Block Type | Interlocking Toy Building Block | | UPC | 711931714521 | | Unit Count | 741.0 gram | ## Product Details - **Brand:** RAINBOW TOYFROG - **Cartoon character:** [Blank] - **Colour:** Rainbow - **Educational objective:** Creative Thinking, Motor Skills, Problem Solving Skills, STEM - **Manufacturer Minimum Age (MONTHS):** 3 - **Material:** Plastic - **Model name:** RT007 - **Number of pieces:** 70 - **Special feature:** Flexible - **Theme:** Shapes ## Images ![Star Flex STEM Building Toys - 70 Connector Blocks for Kids with Tote - Kindergarten STEM & Preschool Table Top Toys - Open Ended Building Blocks for Boys and Girls 3 Years Old & Up - Image 1](https://m.media-amazon.com/images/I/71tcgyTxUJL.jpg) ## Questions & Answers **Q: Do you get an instruction booklet to build different things?** A: It comes with an instruction booklet. **Q: Does this come with any type of instruction guide on how to build things? I find these types of products pretty useless without something to help them** A: Yes. It comes with an instruction booklet to make some designs. **Q: How many pieces do you get? Do you need more then one package?** A: About 70 pcs.if you want build more,you can buy two or three package. **Q: Where are these made ?** A: My grand babies loved these they are made in Chinabut I got them quickly great entertainment ## Customer Reviews ### ⭐⭐⭐⭐⭐ lovely toys *by A***R on 29 June 2025* the child played with it straight from the box, lovely brite colors ### ⭐⭐⭐⭐ Good toy *by K***7 on 20 October 2025* Good ### ⭐⭐⭐⭐⭐ Review *by R***S on 8 November 2019* There were perfect, I use them for making parrot toys I have 11 different Parrots so it’s to expensive to buy from store as they also don’t last long,thank you ## Frequently Bought Together - RAINBOW TOYFROG Star Flex STEM Building Toys - 70 Connector Blocks for Kids with Tote - Kindergarten STEM & Preschool Table Top Toys - Open Ended Building Blocks for Boys and Girls 3 Years Old & Up - PicassoTiles 120pcs Hedgehog Interlocking Building Blocks Tiles Construction Toy Set Learning Playset STEAM Development Preschool Kindergarten Toy for Kids Age3+ PTB120 - Brain Flakes 500 Piece Set, Ages 3+, Interlocking Plastic Disc Toy for Creative Building, Educational STEM Learning, Construction Block Play for Kids, Teens, Adults, Boys, and Girls --- ## 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.us/products/353330378-star-flex-stem-building-toys-70-connector-blocks-for-kids](https://www.desertcart.us/products/353330378-star-flex-stem-building-toys-70-connector-blocks-for-kids) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-19*