Best smart pen

Play Smart Wipe-Clean Pen Control

Play Smart Skill Builders Age 4+: Pre-K Activity Workbook with Stickers for Toddlers Ages 4, 5, 6: Build Focus and Pen-Control Skills: Traci

Acefast Smart Active Stylus Pen for iPad (2018 an Newer Models)

Apple iPad 5th & 6th Gen Shockproof Book Case with Cards & Pen Slot