Build Memories, One Block at a Time! 🏗️ Crafted from 100% safe, environmentally friendly ABS material. Includes 503 pieces for endless building possibilities. Encourages imaginative play and creativity in children. Ideal for birthday gifts or party favors that kids will love. Promotes cognitive development while having a blast. 503 PCS ABS Material 4 Building Stores The FIFTHMIN 4 Pack Stores City Building Blocks set includes 503 pieces of eco-friendly ABS material, designed to inspire creativity and intelligence in children. Perfect as a birthday gift or party favor, this educational building kit offers hours of fun and development.