1. Alƙalami mai ƙarfi: yin kwaikwayon rubutun hannu na alkaluma masu wuyar gaske kamar alkalan ruwa, alkalan ballpoint, da alli.Vdink pizarra LCD Interactive flat panel nuni smart allo don makarantu.
2. Alƙalami mai laushi: Yana kwaikwayon rubutun rubutun hannu na goga, wanda zai iya kwatanta bugun jini da fifikon rubutun hannu.
3. Laser Pointer: jawo hankalin masu sauraro ta hanyar canza zurfin launi, kuma rubutun hannu na baya ba zai ɓace ba har sai mai amfani ya yi aiki na gaba.

2022.09.13