A Pumpus la calabaza le encanta aprender sobre las ciencias y los inventos. En esta aventura, El y sus amigos estAn entusiasmados con ir de campamento en Halloween; pero cuando se dan cuenta que olvidaron algo, Pumpus tiene que usar su libro de ideas e invenciones para solucionar su problema, usando el concepto de fricciOn.

This is the first story in a series of books by Dr. Praba Soundararajan, the founder of BOON-dah. BOON-dah's mission is to grow and nurture our children's creativity and curiosity through the integration of imagination with science, and to...

Pumpus the Pumpkin loves learning about science and inventions. In this adventure, he and his friends are excited to go camping on Halloween; but when they realize they forgot something, Pumpus must use his book of ideas and inventions to solve their problem using the concept of friction.

This is the first story in a series of books by Dr. Praba Soundararajan, the founder of BOON-dah. BOON-dah's mission is to grow and nurture our children's creativity and curiosity through the integration of imagination with science, and to inspire them to become the next...

Pumpus and his friends plan on spending the night in their treehouse. But when they realize they forgot the batteries for the flashlight, Pumpus uses his book of great inventions to solve their problem using a dynamo and waterwheel to make electricity. Through science, mechanics, and safety, Pumpus saves the day