Do you want to know how does the rain form? or how the water turns into sleet or hail? Do you know what is the circle of life? Welcome to the laboratory of Samantha and Samuel. Let's see what they are experimenting with! A whole new book for you to make your own bubble and another one to learn to multiply two-digit numbers by 11 in your head. Finally, a book to find out a new concept-diversity! Grab this collection, and become a SCIENTISTI