The use of manipulatives provides a way for children to learn concepts through developmentally appropriate hands-on experience. Great for learning about money, counting, grouping, sorting, adding and subtracting. Write-on/Wipe-off with dry erase or damp wipe markers. Pieces easily punch out from an 8.5" x 11" standard size heavy duty die-cut thick foam sheet. Foam Manipulatives Australian Coins includes 34 pieces, A 5c, A 10c, A 20c, A 50c, A 1 and 2 dollar coins.