3D Plant Cell Division (Meiosis) Model, 24 x 18", Hand-Painted Size_Small letting students vary the moment

letting students vary the moment arm distances on either side and find the balance point for any combination of masses

with a spacer and keepers in a 3

Battery-free analog mechanical stopwatch reading to one-tenth of a second

Closed ring design provides continuous support on this plated mild steel retort ring

Rolled-rim parallel-sided copper calorimeter at 4 inches tall by 2

3D Plant Cell Division (Meiosis) Model, 24 x 18", Hand-Painted Size_Small letting students vary the momentThree dimensional plant meiosis model traces chromosome pairing, crossing over, and reduction division through successive hand painted stages on a mounted base.