Papi is a highly intelligent, uber-curious, mighty crafty, super secret scientist and each new day brings a new SUPER COOL scientific discovery. Children will love joining Papi and his lovable dog Caesar as he performs experiments and investigates the mysteries of math and science all while trying to keep his little sister out of his lab! In this book, Papi does experiments with Goo!! Check out the rest of the Papi and Caesar Series for more experiments and exploration.