eBay has the Apple iPad Pro 9.7" 128GB WiFi Tablet for Verizon (Space Gray) refurbished for $250 with free shipping. Features A9X chip with 64-bit architecture, Embedded M9 coprocessor, 2048 x 1536 resolution at 264 pixels per inch (ppi), retina display.
eBay has the 10" LCD Tablet Portable Writing Pad E-writer Graphic Kid DIY Drawing Work Board for $12 with free shipping. Comes with a stylus.
eBay has the 4th-Gen. Apple iPad 4 16GB 9.7" WiFi Cellular Unlocked Tablet (Black or White) refurbished for $108 with free shipping.
eBay has the Microsoft Surface Pro 4 Core i5 128GB 12.3" Table (KGK-00001) refurbished for $319 with free shipping. List price: $380. Features Intel Core i5-6300U 2.4GHz, 4GB RAM, 128GB SSD, 12.3" display (2763x1824), 5MP/8MP cameras, Surface Pen, 802.11ac, BT 4.0, Windows 10 Pro.
For Prime members only, Amazon has the 32GB Amazon Fire HD 10 Tablet w/ Special Offers (Newest Model, various colors) for $100 with free shipping. List price: $150. Features 10.1" 1080p full HD display; 32 or 64 GB of internal storage, 2 MP front and rear-facing cameras with 720p HD video recording, dual-band, enhanced Wi-Fi. Hands-free with Alexa.
Has excellent Amazon Reviews.