Check the listing for details. LeapFrog LeapStart 1st Grade STEM Activity Book Level 4, 1st Grade. Condition: New. Listed at 11.99 USD. LeapFrog LeapStart 1st Grade STEM (Science, Technology, Engineering, and Math) activity book. Ages 5-7 Requires LeapStart System to use. Works with all LeapStart systems 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. 30 replayable science activities inside. These are stored at our smoke-free place of business, and shipped directly from us. We are not considering any best offers for these. We are only sell to end users that are located in the 50 United States. We do not accept bulk orders. We do not sell to freight forwarders, resellers, nor drop shippers to other websites. Shipping We will ship your item within 2 business days (Monday through Friday). We anticipate that your purchase will arrive within 3 to 5 business days after shipment. We cannot guarantee delivery times.