02/11/2026
✨ JDBY girls joined Walder Science with their mothers, bubbes, and aunts for The Chemistry of Bubbles, a truly fun and educational afternoon filled with hands-on experiments, dry ice bubbles, and discoveries about what makes bubbles stretch, shimmer, and float. 🫧
02/05/2026
🐣 Lifecycles returns next week with a brand-new topic, goslings! Beginning this Sunday, February 8, students will experience the excitement of hatching and raising goslings, creating aquatic ecosystems with fish, snails, and isopods, and the amazing adaptations and biology of their development. 🐌
Limited spots are still available. Register now at walderlab.org/lifecycles.
02/05/2026
Discover, explore, and build this spring. Register now to join our Sunday and after-school enrichment programs, now featuring After-School Robotics and Gosling Lifecycles! Classes begin this Sunday, secure your spot today! walderlab.org/programs
01/29/2026
Celebrate Tu B’Shevat with Walder Science on Sunday, February 1.
🍇 Learn about the seven species
🌾 Grind wheat into flour as in Mishna times
🥖 Challah braiding exhibit
Register at walderlab.org/tubshevat
01/21/2026
Discover, explore, and build this spring with our Sunday and after-school enrichment programs, now featuring After-School Robotics and Gosling Lifecycles! Take advantage of our early-bird discount by TOMORROW, January 22 and save $20. Register now to secure your spot, space is limited! walderlab.org/programs
01/14/2026
Silicone turned out to be the perfect material for mold-making. Its flexibility and ability to preserve detail opened the door to a discussion about polymers and material properties. Custom candle molds were designed, mixed, and poured to cast mini Havdalah candles. 🕯️
01/12/2026
From 3D Design to Fresh-Baked Cookies, the 3D printers baked cookies using cutters they designed and printed themselves. This project brought together sketching, pattern design, and 3D thinking, and ended with a delicious reward. Engineering has never tasted so good. 🍪
01/09/2026
Discover, explore, and build this spring with our Sunday and after-school enrichment programs, now featuring After-School Robotics and Gosling Lifecycles! Take advantage of our early-bird discount by January 22 and save $20. Register now to secure your spot, space is limited! walderlab.org/programs
01/06/2026
Our math builders brought math to life this week through games like Scoop, Group & Sort and a “Human Place Value” activity. These junior mathematicians physically stepped into the roles of 1s, 10s, 100s, and 1000s. Cracking secret math codes made it even more fun. 🔢
12/23/2025
🐁 After weeks of design and revision, it was time for participants to test their mazes with a live gerbil! Students ran experiments, observing curiosity, memory, and behavior. They learned why controlling variables matters and how small changes like obstacles or scents can affect results.