5 yrs. & up. Let children participate in creating the life cycle of a butterfly on the whiteboard! These giant magnets are designed for classroom demonstration. Learn all about the stages of the butterfly life cycle with these 9 realistically detailed magnets. A teaching guide is included with detailed information about each of the life cycle steps. Label-free for versatility. (Whiteboard not included). Size: Largest Piece 9"H x 7"L.