Gears, sets offer 40-, 30- and 20-tooth gears with 3/16in bore to accommodate the most popular dowel size, and a 12-tooth gear with a push-fit to 2 mm motor shafts. Three inserts are provided on each sprue, allowing the 3/16in bore to reduce to 3 mm
SIM Practi-Nasal Med Trainer*(for training), simulates nasal medication administration, for the administration of medications such as the opioid antagonist drug, Narcan*, as well as many other intranasal medic
Ball launcher, fun accessory transforms your Dash Robot into a projectile-launching machine. Because it's powered by Dash, kids can learn how simple machines like a lever works in a fun way. Comes with 3 projectiles and 6 stacking targets that can attach to LEGO-compatible bricks
Simple Atwood Machine, include Apparatus and 2 pulleys connected by a rod, 1.75inch plastic pulleys connected to a 3inch rod, Overall length is 8.25inch, Two pulleys are connected by a metal rod.