Let your little engineer's imagination hit a high note with the Popular Playthings Clipstix Deluxe, 150 Pieces! This innovative construction toy is designed to spark imagination and encourage STEM learning through play. Made from durable, color-coded plastic, these pieces easily stack and clip together, allowing young builders to create everything from simple structures to complex models. The set comes with a helpful IDEA BOOK to guide your child through their building adventures, making it perfect for enhancing problem-solving skills and coordination.