Original and Unique sand tray has many purposes: 1. Put sand in it - add wooden letters upfront and finger trace alphabet Montessori method. 2. Fill different stone beads box, add wood numbers cards upfront - you can sort stones or lay them in shapes of numbers. 3. Used it as bead tray with counting beads. Add 10 little fingers cards upfront and let kids to choose how many beads add into tray. Kit contains of: 1 pcs. tray You can choose from 5 OPTIONS: A: Only tray B: 26 pcs. wooden plywood letters cards, dimension: ~ 1.8 x 1.8 inches, thickness ~0.12 inches C: 2x26 pcs. wooden plywood letters cards, dimension: ~ 1.8 x 1.8 inches, thickness ~0.12 inches D: 23 pcs.: wooden plywood numbers 1-20 and 3 symbols(+-=) cards, dimension: ~ 1.8 x 1.8 inches, thickness ~0.12 inches E: 10 pcs. plywood cards with fingers numbers pictures, dimension: ~ 1.8 x 1.8 inches, thickness ~0.12 inches BOARDS DIMENSIONS 6x10 inches Thickness: ~0.6 inches © Woodinout. All rights reserved.