Program Catalog

Advanced Science Explorers
Sundays
Girls: 10:00 – 11:00 am
Boys: 3:00 – 4:00 pm
Make amazing science discoveries at a new level, encompassing a breadth of mind-blowing concepts.

Advanced Math Explorers
Sundays
Girls Sun, 11:15 am – 12:15 pm
Boys Sun, 1:45 – 2:45 pm
Build, explore, and experiment with a variety of multiplication & division games, activities, and challenges.

Lifecycles
Sundays
Girls: 12:30 – 1:30 pm
Boys: 4:15 – 5:15 pm

Explore habitats, diet and behaviors of small, burrowing mammals and build mazes to examine their cognitive abilities. Coming this spring: Hatching ducklings

After-School Science
Girls: Tuesdays & Thursdays, 4:45 – 5:45 pm
Boys: Tuesdays & Thursdays, 6:00 – 7:00 pm

Electricity & Magnetism (Tuesdays): Explore electricity & magnetism while creating your own electronic devices like flashlights, speakers, magnet trains, motors, generators, and more! Candle Making (Thursdays): Craft your own candles as we study energy, combustion, and the science behind wicks, waxes and fragrance. Coming this spring: pottery & textiles (Tuesdays), flight (Thursdays)

After-School 3D Printing
Girls: Monday & Wednesday, 4:45 – 5:45 pm
Boys: Monday & Wednesday, 6:00 – 7:00 pm

Imagine, design, and create amazing models, inventions, art, and toys with engineering and CAD design.

After-School Coding
Girls: Monday & Wednesday, 4:45-5:45 pm
Boys: Monday & Wednesday, 4:45-5:45 pm (Zoom)
Boys: Monday & Wednesday, 6:00-7:00 pm

Discover coding fundamentals with interactive lessons, animations, and games.

Woodshop
Boys Beginner/Intermediate: Monday, Tuesday, or Thursday 5:30-6:30 pm
Boys Advanced: Wednesday 5:30-6:30 pm
Girls All levels: Sunday 4:15-5:15 pm

Learn basic woodworking techniques using hand tools to create custom projects under the guidance of our expert carpenter.

End-of-Summer Engineering and Design Camp
Boys: 10:00 am – 12:30 pm
Girls: 1:00 – 3:30 pm

Join Walder Science for a summer-themed one-week camp filled with exciting maker space and science activities. August 18 – 21, 2025

STEM Adventure Camp
Grades 7-9
Dates TBD
Explore photography, laser cutting, DNA, robotics, optical illusions of motion and more in this advanced level series of amazing skills, opportunities, and field trips!

High School and Adult Woodshop
Sundays
Women 4:15 – 5:15 pm
Men 5:30 – 6:30 pm
Learn basic woodworking techniques using hand tools to create custom projects under the guidance of our expert carpenter.

Young Jewish Innovators Challenge
Use creative thinking and problem-solving skills to seek solutions to real-life issues and compete against other young women in Jewish high schools throughout Chicago. Oct 19 – Feb 15

Jerusalem Science Contest
Discover an exciting college-level science and be inspired by its Torah relevance. This year’s topic is astronomy. Earn prize money and even a trip to Israel through this invigorating international competition. Sept 15 – Feb 12