Inspire curiosity, creativity, and a love of learning.

Photo by Joshua Estes,

Help your little superhero POWER UP for a lifetime of learning.

Add a Sibling Pack during checkout for only $10.95.

Every Dilly’s Tree House box opens the door to a new InvestiGator Club® adventure. The same award-winning stories and activities approved by states and used in thousands of preschool classrooms throughout the country are now available for family-time learning and fun.