All Categories
Kidder Wooden Spool – 1.5" x 2 1/8" with 5/16" Hole - 10/pkg
The perfect hands-on building component for makerspaces, STEM challenges, and pulley systems
Built for creativity and durability, the Kidder Wooden Spool is a high-quality, unfinished hardwood component designed to bring engineering concepts to life in the classroom. Measuring 1.5" diameter x 2 1/8" length with a 5/16" center hole, this spool is perfectly sized for student-built pulley systems, simple machines, and hands-on STEM exploration.
Crafted from smooth, natural wood, each spool is sanded and ready to use right out of the box—no prep required. The clean, unfinished surface also makes it ideal for customization with paint, markers, or stain, allowing students to combine engineering with creativity.
*10 spools per pack*
5/16" Dowel that fits spool hole is Cat # 83-2005-02
Why Teachers Love It
- Perfect for pulley projects – The 5/16" hole fits standard dowels and axles, making it easy to build functional pulley systems and mechanical models
- Durable for repeated classroom use – Solid hardwood construction stands up to hands-on learning and iteration
- Ready to customize – Smooth, unfinished surface is ideal for painting, labeling, or prototyping
- Consistent sizing for builds – Reliable dimensions make it easy to plan lessons and ensure compatibility across projects
- Bulk-friendly for classrooms – Ideal for group work, makerspaces, and full-class builds
Ideal Classroom Applications
- Pulley & simple machine projects
- STEM / STEAM engineering challenges
- Makerspace prototyping and design builds
- Forces & motion demonstrations
- Creative woodworking and design tasks
