Explore the way things work with the Letter Factory friends using science technology engineering math and teamwork Understand tools for space study. Know characters of the sun. Explore solar system basics. Manufacturered by LeapFrog. 30 replayable science activities inside. Level 4: 1st grade. Perfect for ages 5 to 7. Requires LeapStart System to use. Works with all LeapStart systems (Sold Separately).
