US$ 2069.50
Simulator Modules Available Separately:
this universal charger keeps portable instruments running between sessions without rotating in fresh disposable batteries
Polystyrene electrolyzer with a transparent cone-shaped cup over a banana-socket base
including 100 long flexible bonds for delocalized representations and crystal-lattice construction at scale
Relay NAND Gate Demonstration Board Biology_Entomology & Zoology Simulator Modules Available Separately:Relay based NAND gate module on a demonstration base, introducing combinational logic behavior by using physical relays so students can hear and see the gate state in real time.