Could attach the letters of Toddlers names to these and see ifthey can make a tower spelling their name Preschool Letter Recognition Activities - Matching Upper and Lowercase Letters using legos, and other fun activities.
19 Ridiculously Simple DIYs Every Elementary School Teacher Should Know
Had when i worked in a preschool and kids love them! I would use colored sand instead of white salt. DIY salt tray with alphabet cards. Easy to make and kids have fun smoothing out the salt after correctly making the letter
Upper & Lowercase Letter Recognition Matching Hole Punch Activity