The Lakeshore Design & Build Water Blocks are a 21-piece problem-solving toy designed for children ages 3 and up. These multicolor blocks encourage kids to use their creativity and critical thinking skills to build and experiment with water flow. With the Lakeshore brand known for quality educational toys, these blocks provide a fun and engaging way for young children to learn about problem-solving and engineering concepts through play. Ideal for children aged 3-4 years, these blocks are sure to spark curiosity and creativity in young minds.