Kids Building Blocks Set

300 colorful pieces including standard bricks, wheels, windows, doors, and special shapes. Compatible with all major building block brands (LEGO, etc.) so you can expand existing collections. Sturdy plastic storage box with snap-on lid and carry handle for easy cleanup and travel. Encourages STEM learning – problem-solving, creativity, and fine motor skills. Printed idea booklet included with 15 step-by-step projects (house, car, robot, etc.). Non-toxic ABS plastic, tested and certified for children age 3+. Meets US safety standards (ASTM F963).