Amazon: K’Nex Levers and Pulleys Set Only $19.99 (Reg. $39.99)!
Right now Amazon has the K’Nex Education – Intro To Simple Machines: Levers and Pulleys Set on sale for only $19.99 (reg. $39.99)! Shipping is free with Amazon Prime or any order over $35. Introduces students to the scientific concepts associated with levers and pulleys Builds 8 fully-functioning replicas of real-world machines, one at a time Includes 178 K’Nex pieces […]
