Kidder - Science Kits, School Project Supplies, Clock Parts - Gear

Kidder - Science Kits, School Project Supplies, Clock Parts - Gear

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

Worm Gear Car Cat# 80-5462-SK

Kidder - Science Kits, School Project Supplies, Clock Parts - 70

Science Kits, School Project Supplies, Clock Parts - Kidder

Clock Hub

Clock Movement Hub

Kidder - Science Kits, School Project Supplies, Clock Parts - 70

Kidder - Science Kits, School Project Supplies, Clock Parts - Gear

Kidder - Science Kits, School Project Supplies, Clock Parts

Universal Gear Box - Cat# 9799-70103

Kidder - Science Kits, School Project Supplies, Clock Parts

It's About Time Clock Plans, Cat# 70-1487-PL $2.50

It's About Time Clock Plans - Cat# 70-1487-PL

ENGbox Pulleys & Gears

Jr Engineering Box Pulleys & Gears- Cat# 8354ENGBXP