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🚀 Construct, Create, Conquer – STEM fun that moves with you!
The 600PCS STEM Building Toy set features 80 long and 220 short straws plus 300 connectors, including tires for movable creations. Designed to develop motor skills, logic, and spatial reasoning, this non-toxic, safety-certified kit offers endless building possibilities for kids aged 3 and up. Lightweight and durable, it’s ideal for fostering STEM learning and creativity at home or on the go.






| ASIN | B0BC46SDXR |
| Additional Features | Non Toxic |
| Age Range Description | Kid |
| Best Sellers Rank | #24,464 in Toys ( See Top 100 in Toys ) #1,391 in Toy Building Sets |
| Brand Name | Tcnroy |
| Color | tan |
| Customer Package Type | FFP |
| Customer Reviews | 4.6 out of 5 stars 256 Reviews |
| Educational Objective | Creative Thinking, Logical Thinking, Motor Skills, STEM |
| Is Assembly Required | Yes |
| Item Dimensions | 27.4 x 18.8 x 11.2 centimeters |
| Item Weight | 1.95 Pounds |
| Manufacturer | Tcnroy |
| Manufacturer Maximum Age (MONTHS) | 144 |
| Manufacturer Minimum Age (MONTHS) | 36.00 |
| Manufacturer Part Number | HC-020-6P |
| Material Type | straw constructor |
| Model Number | HC-020-6P |
| Model Year | 2021 |
| Number of Pieces | 600 |
| Operation Mode | manual |
| Power Source | manual |
| Set Name | 600PCS STEM Building Toy |
| Size | M |
| Subject Character | no subject character |
| Target Audience | kids of all genders |
| Theme | Educational,Educational Toys |
| Toy Building Block Type | Interlocking Toy Building Block |
| Unit Count | 600 Count |
C**S
Great for creativity and keeping kids engaged
Why did you pick this product vs others?: My son loved playing with this at school, so I know he already enjoyed it! This STEM building set has been a hit with my child. With 600 pieces, there’s plenty of straws and connectors to build towers, houses, cars, or whatever their imagination comes up with. The colors are bright, and the pieces fit together securely without being too hard for little hands to work with. I like that it encourages problem-solving and fine motor skills while keeping kids entertained for long stretches of time. It’s also lightweight and easy to store, so we can take it on trips or to grandparents’ houses for quiet play. Perfect for ages 5 and up, but younger kids may need a little help at first.
T**T
Hold up well
These are great for my students in 4th grade to play with. They are durable and hold up well. Huge amount and type of pieces.
S**.
Loved it
Got this for my students and they love it! Hours of fun. Super fast shipping as well.
J**E
Fun meets Function
I purchased this straw construction toy for my daughter to aid in her occupational therapy for fine motor skill development. I am thrilled with not only the product but also the results. This toy has exceeded my expectations and has become an integral part of my daughter's therapy routine as well as everyday play. She thoroughly enjoys the hands-on nature and has shown remarkable progress in finger strength, dexterity, and coordination. Our home sessions have helped her refine her grasp and enhance her ability to manipulate small objects with precision. She no longer fights me when the “frustration factor” kicks in because she is too excited to continue building and creating with her colorful straws and connectors. The open-ended nature of the toys sparks her creativity and imagination, making the sessions both productive and entertaining. She particularly enjoys modeling - I build something, and then she repeats it. I have gradually increased the difficulty level and provided age-appropriate challenges. Straw construction has benefited my daughter and has become an activity we can enjoy together at home as a family. Additionally, I bought two extra sets because as a family of four our creations were getting more innovative. They arrived at our office and one of my teammates became interested and started building something. A patient (we work at a dental office) jumped in and started playing with them too. It seems that putting something in dental phobics' hands relaxes them by engaging their mind. Win! We have put a big tub in the waiting room, and frankly, I am impressed by the soothing nature. We have been proudly "gifted" flower, cars, puppies made out of straws. Many have asked where we have bought them, and we proudly say Amazon!
L**P
Hours of building fun
This toy has provides hours of building fun for our 5 year old grandson. I wish there were some instructions for how to make the pictured projects.
Trustpilot
5 days ago
3 days ago