The TargetBullseye Mini Hashtag Building Colored Blocks Lot includes 5 sets of interlocking blocks with 72 pieces each, totaling 720 pieces. Made of plastic, these building blocks are designed for children ages 4 and up. The colorful character of the blocks adds to the fun and creativity of building with them, making it a great addition to any puzzle toy collection. Perfect for young builders, these blocks offer endless possibilities for creating and playing.