Guide included with replacement parts. Can add the original for an extra 5$. Talk with me before buying. The Lakeshore Survive The Quake Engineering Earthquake Simulator Replacement Blocks are educational toys designed to simulate earthquake scenarios for children aged 4 and above. Manufactured in 2019, these blocks are part of the Science & Nature category, offering a hands-on learning experience for young students to understand earthquakes and engineering concepts. Perfect for ages 8-11, this toy helps children develop critical thinking skills and prepares them for future studies in science and engineering.