Toys LeapFrog Software | Leapfrog Leapstart Pre-K Stem Activity Book

Explore The Way Things Work With The Letter Factory Friends Using Science, Technology, Engineering, Math And Teamwork. Teaches 16 Pre-Kindergarten Stem Skills: Reading Simple Graphs, Experimenting With Trial And Error, Using Tools To Solve Problems And More. Includes 40+ Replayable Activities And 25+ Reward Stickers. Level 2: Pre-Kindergarten. Perfect For Ages 3-5. Works With All Leapstart Systems. (Sold Separately.)