https://lumberyardtoys.com/
LumberYard Toys & Crafts - Craft Sticks, Toys and Crafts, Popsicle Stick Crafts
craft stickslumberyardtoyscraftspopsicle
https://learn.adafruit.com/cardboard-slider-crank/overview
Overview | Slider Crank Mechanism -- from Cardboard and Craft Sticks | Adafruit Learning System
Use cardboard to build a slider crank linkage mechanism powered by a servo motor to control a slider crank mechanism. Program the Circuit Playground Express...
crank mechanism