- STEM vehicle building toys kit 132 pcs, 5 in 1;
- Step-by-step instructional guide to cultivate kid's problem solve skills and teamwork skills;
- Easy to wash and come with a exquisite gift box for quick and convenient clean up;
- Safe, durable and non-toxic pieces, certified with Phthalate, Lead, Cadmium, and BPA-free testing report.