Bell Demonstration Model, All The Components Of Electric Bell Are Mounted On A Large Panel. Allwiring Is Visible And Parts Are Of Large Size. Operates On 4-6 Volts Dc, Mounted On A Large Panel, All Parts Easily Visible, Rigid Constructions
Bio Signs White Blood Cell, Realistic 7-piece model teaches the role of white blood cells and how they keep things moving smoothly through the venous system, Hands-on interactive model provides a magnified and cross-sectioned detailing of a White Blood Cell, With Guide
BioSigns Red Blood Cell Model, Learn all of this and so much more with this hands-on interactive 4-piece model that provides magnified and cross-sectioned detailing of a Red Blood Cell, Develop dexterity, enhance fine motor skills and inspire critical thought