The slanted wooden box contains 27 English sand boards: (uppercase and English letters) vowels (A, E, O, I, U) semi-vowels (Y) are printed on the blue base plate, and the consonant letter Y , B, P, M, F, D, T, N, L, G, K, H, J, Q, X, Z, C, S, E, W, V) are printed on the pink substrate,