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The KASTWAVE 600-Piece Straw Building Blocks Kit is a versatile, STEM-focused construction toy designed for children aged 5-10. Featuring interlocking plastic tubes, it enables the creation of diverse 4D models like airplanes, castles, and robots. Made from non-toxic, BPA-free materials, it supports safe, eco-friendly play while fostering engineering skills, spatial reasoning, and teamwork. Ideal for both indoor and outdoor use, this kit comes with a storage box and is perfect for collaborative learning and imaginative fun.

| ASIN | B09KM162FB |
| Additional Features | Non Toxic |
| Age Range Description | Kid |
| Best Sellers Rank | #25,209 in Toys ( See Top 100 in Toys ) #1,255 in Toy Building Sets |
| Brand Name | KASTWAVE |
| Color | multi |
| Country of Publication | China |
| Customer Reviews | 4.2 4.2 out of 5 stars (16) |
| Educational Objective | Engineering Skills, STEM, Spatial Reasoning, Team Building Skills |
| Is Assembly Required | Yes |
| Item Dimensions | 21 x 25 x 4 centimeters |
| Manufacturer | KASTWAVE |
| Manufacturer recommended age | 5 years and up |
| Material Type | Plastic |
| Number of Pieces | 600 |
| Operation Mode | manual |
| Set Name | KASTWAVE 600-Piece Straw Building Blocks |
| Size | 25 cm x 21 cm x 4 cm |
| Subject Character | Tinker Bell |
| Target Audience | Unisex |
| Theme | Animal |
| Toy Building Block Type | Interlocking Toy Building Block |
| Unit Count | 600 Count |
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