- $7.99Levers (Simple Machines) (Little Pebble: Simple Machines)Amazon
- $6.95Levers (Simple Machines)Amazon
- $7.99Simple Machines: Wheels, Levers, and PulleysAmazon
- $13.95Levers Lessen the Load: Simple Machines for KidsAmazon
- $33.20Eisco® Simple Machines: Lever ModelOriental Trading Company
- SAVE $5.34$34.65$39.99K'NEX Education - Intro to Simple Machines: Levers and Pulleys Set – 178 Pieces – For Grades 3-5 – Construction Education ToyAmazon
- $9.95Let's Find Levers (Let's Find Simple Machines)Amazon