Amazon.com: BoxWave Keyboard for Acer Switch Alpha 12 (SA5-271) (Keyboard by BoxWave) - AquaProof USB Keyboard, Washable Waterproof Water Resistant USB Keyboard for Acer Switch Alpha 12 (SA5-271) - Jet Black : Electronics
Looking at a Surface for Your Student? Consider Acer's Switch Alpha 12 Instead - GeekDad