Expand your creative possibilities with the Plus-Plus baseplate! This durable platform can be used to build a scene, make a spinning top, and much more. Connect baseplates together to make multi-story structures! Compatible with all regular size Plus-Plus pieces. Details: 4.5" x 4.5" (11.43cm x 11.43cm) each2 green base platesCreate colorful flat mosaics or work in 3-D to make more intricate buildsCompatible with all regular size Plus-Plus pieces (sold separately) BPA free and phthalate freeFor ages 3 and up