JEM Pop It Mould - Building Blocks - Set of 2 Jem Pop It moulds are a cross between a cutter and a mould, made from hard plastic these cutters will leave deep impressions to create additional embossed details on the final decoration, just like a mould. Create Building Blocks decorations for your baby shower celebration cupcakes and cakes using this cutter. Use with strengthened paste, chocolate or isomalts. Ideal when used with the JEM Pop It foam pad. Dimensions: Big: 55mm x 40mm Small: 37mm x 27mm