US$ 64.00
1 accuracy with a calibration screwdriver and case
Stamped with element symbols for quick identification
a 6V buzzer
demonstrating conservation of momentum and energy through ball-to-ball collisions
Upper and Lower Jaw Model, 3X Enlarged Material_Metal 1 accuracy with a calibrationThree times enlarged upper and lower jaw set reveals dental arcade geometry and root positions at scale, supporting orthodontic and occlusal anatomy teaching.
US$ 64.00
US$ 249.50
US$ 160.00
US$ 449.50
US$ 449.50
US$ 124.00