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
DNA Replication 3-D Model Kit-10 Student Model Template Sets and Teacher Guide, Vinyl Pouch, Assemble and use 3-D models to visualize and investigate key science structures, Perfect for use in the classroom, lab or at home, Satisfies NGSS Standards, Grade: 6 to 10, Material: Paper, LxW: 12X19in
Amoeba 3-D Model Kit-10 Student Model Template Sets and Teacher Guide, Vinyl Pouch, Assemble and use 3-D models to visualize and investigate key science structures, Perfect for use in the classroom, lab or at home, Satisfies NGSS Standards, Grade: 6 to 10, Material: Paper, LxW: 12X19in