There are three versions of this bundle (Regular, PCS, SymbolStix).This is the PCS version (Tobi Dynavox). This bundle offers 12 paired sets of Animated Step-by-StepsĀ® ā¦ a recipe paired with a related poem/song. Designed to be displayed on the interactive whiteboard and used to keep students entertained while they wait for that food item to cook/bake. Some titles such as Spaghetti and Ice Cream in a Bag have 2 versions. Pairs (Recipe ā¦ Poem/Song) include: Spaghetti (2 versions) ā¦ On Top of Spag