STEM Building Blocks 170 PCS with Big Storage Box, Building Toy for Kids 3+

【STEM Building Toys】Designed with STEM (Science, Technology, Engineering, Mathematics) principles, deliver hours of enjoyable play through engaging activities. Educational toys enhance STEM skills while reducing children's reliance on electronic screens 【Collaboration and Independence】170 pcs building block sets supports kids collaborative or independent construction of diverse open-ended, complex creative models. Effectively cultivates teamwork and independent problem-solving skills 【Vibrant Materials】Sensory building blocks toys Featuring vivid colors and rounded edges, ABS material is non-toxic, waterproof, and easy to clean. 170 pcs sets includes 5 colored skeleton sets (30 pieces each), 10 prototype skeletons, and 10 rubber tires 【Convenient for storage】Includes large storage box for effortless cleanup after play, keeping living spaces tidy while fostering organizational habits and good lifestyle practices in children. Offers smoother difficulty curve by 21 classic assembly model 【Exceptional Choice for Gifts】With innovative, creative, and entertaining design, learning building blocks set is the perfect gift for children aged 3+ whether for birthdays, Christmas, or the upcoming Easter. looking forward to seeing your own structures