Riverfront River Rangers

Event Dates:

07/07/2022 From: 10:00 am to 11:00 am
07/14/2022 From: 10:00 am to 11:00 am
07/21/2022 From: 10:00 am to 11:00 am
07/28/2022 From: 10:00 am to 11:00 am
08/04/2022 From: 10:00 am to 11:00 am
08/11/2022 From: 10:00 am to 11:00 am
08/18/2022 From: 10:00 am to 11:00 am
08/25/2022 From: 10:00 am to 11:00 am


Venue: Auer Lawn at Promenade Park

Address: 202 West Superior Street, Fort Wayne, IN 46802

Admission: Free but space is limited


Phone: (260) 427-6000

The formerly titled Young Naturalist Series (YNS) has incorporated STEM into the programming and renamed River Rangers. Rangers (ages 5-12) are invited to an hour of fascinating outdoor learning of STEM on the 1st & 3rd Thursdays and Nature on the 2nd & 4th Thursdays. Each program is FREE, however, space is limited to 25 children, so pre-registration is required. To register, email your child’s name(s) and the class title to The registration deadlines are the Wednesday prior to each class.


Slime vs. Oobleck

June 2, 10:00-11:00 a.m.

Get ready to get messy, River Rangers! We will be making and learning the different properties of slime and oobleck. Take home your experiments and earn a STEM badge. 

River Scavenger Hunt

June 9, 10:00-11:00 a.m.

Our river habitat is teeming with life just waiting to be explored! Learn about the different parts of a river habitat, and then go on a scavenger hunt to earn a YNS badge. What will you discover?

Engineering a Zipline

June 16, 10:00-11:00 a.m.

Bring your favorite doll or action figure to transport them using ziplines and catapults. River Rangers will be engineering both systems to learn about the different ways to move heavy items. Successfully transport your toy to earn a STEM badge.

Busy Beavers

June 23, 10:00-11:00 a.m.

River Rangers will be as bustling as a beaver in this class! Not only will you learn about the busy life of a beaver, you will create a beaver dam, search for signs of beavers, and play beaver-themed games. Don’t forget to collect a YNS badge!

Boats, Planes, & Automobiles

July 7, 10:00-11:00 a.m.

Build, float, soar, and roll in this class about methods of modern transportation. River Rangers will be hypothesizing and experimenting to earn a STEM badge.


July 14, 10:00-11:00 a.m.

Ready for an adventure? Go on a treasure hunt, learn to use a compass, and make your own map during our explorer training. Discover the secrets of the park and earn a YNS badge.

Lego Day

July 21, 10:00-11:00 a.m.

Are you up for the Lego build challenge? River Rangers will be tasked to build various STEM projects with the blocks provided. Challenge accepted? Earn a STEM badge and take home the Legos.

Buzzing Bees

July 28, 10:00-11:00 a.m.

What’s all the buzz over these prime pollinators? We are excited to partner with Glenn’s Natural Honey to look at a real hive, taste sweet honey, and learn what makes bees so important. Bees will be securely contained. Come collect a YNS badge.

Motion & Friction

August 4, 10:00-11:00 a.m.

How do different materials and angles affect the speed of our toy car? Make your move to earn a STEM badge.


August 11, 10:00-11:00 a.m.

Discover the amazing world of bugs! Your adventure will include a bug hunt and crafting your own insect. Construct a bug hotel to earn a YNS badge.

Marble Maze

August 18, 10:00-11:00 a.m.

River Rangers will get a boost on the understanding of gravity and construction by building a marble maze. Do a-MAZE-ing work to earn a STEM badge!

Weather Ranger

August 25, 10:00-11:00 a.m.

Become a Weather Ranger! We forecast a lesson on weather, meteorology, and extreme storms. Plus, there’s a 100% chance of games and weather experiments. Have some sky-high fun and earn a YNS badge!


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