Kidder - Science Kits, School Project Supplies, Clock Parts - Pulley Cord ( nylon) - Cat# 19-20-547

Single Kit (Packaged), Cat# 80-5462-SK

Worm Gear Car Cat# 80-5462-SK

Glow in the Dark Patch Cables - 5 Pack-CAB-PATCH-GD

Kidder Catalogue, PDF, Axle

Kidder - Science Kits, School Project Supplies, Clock Parts - Search results for: 'replacement base good snap

Kidder - Science Kits, School Project Supplies, Clock Parts - Advanced Hydraulic Arm Activity - 10/pkg Cat# 9T-182309

Eddy Current Probes + - Eddy Current Cables - NDT Supply Eddy Current Cables - NDT Supply.com

Kidder - Science Kits, School Project Supplies, Clock Parts - Gears - Forces & Simple Machines - Subjects

Kidder - Science Kits, School Project Supplies, Clock Parts - Balloon Jet Car - Individual Kit Cat# 80-5469-SK

STEM Hydraulics Maker Set

STEM Hydraulics Maker Set - Cat#83-54HYDST