PUDDLESTOMPERS birthday parties are full of active nature fun! Our birthday parties get kids outdoors and moving as they learn about their favorite concept in nature! Choose from over 100 different nature concepts, elements or themes. You can choose to host your party at the PUDDLESTOMPERS Nature Center in Newton and explore along the beautiful Charles River, or we can come to your home and explore in your own backyard. Designed for children ages 2-8.