Used Handwriting without Tears Learning Materials (Great for preschooler & kindergartener sensory and tactile learning of upper case, lower case letters and numbers formation) :
1) Mat & Wood Pieces - After mastering guided formation on the Capital Letter Cards, children progress to building letters on the 8" x 11" foam mat. Make pre-writing instruction easy. Children learn capital formations piece by piece.
2) Slate Chalkboard (2 sets) - Designed to teach and remediate capitals and numbers. The slate chalkboard reinforces top-bottom, left-to-right directionality and helps prevent reversals.
3) Roll–A–Dough Letters - Bring the fun to letter & number formation with this hands-on, dough-based rolling activity. Include recipe for gluten-free dough.
4) Stamp & See Screen (2 sets) - Build capitals and numbers using "Wood Piece" stamps. Magnetic, chalk-like writing tool helps develop grip.
5) Little Chalk Bits - Develop the accuracy and speed necessary to handle the demands of schoolwork and testing in higher grades.
6) Little Sponge Cubes - These sponges are just the right size for doing Wet–Dry–Try on the Slate Chalkboard, Blackboard with Double Lines, and Magnetic Lowercase & Blackboard Set.
7) Handwriting without Tears - printed Capital Formation Chart, Lowercase Formation Chart, Number Formation Chart
Useful link / channel on using the above materials for handwriting learning:
https://www.youtube.com/playlist?list=PLBEC409C2DBA41561
Other handwriting / letters / spelling / phonics tools:
8) School-Rite Manuscript alphabet on 8½ x 11 inch template.1-inch letters (Zaner-Bloser style alphabet). Early Childhood – ages 4 to 7 years.