The Blox base plate 5 pack provides a great starting point to bring all your Blox creations to life! The 5 pack includes base plates with the following sizes: 40 x 40cm, 25.5 x 12.5cm, 25.5 x 12.5cm, 16 x 16cm and 16 x 8cm. With Blox, see what else you can build - you don\'t just have to follow the instructions, set your imagination free to see what else you can create! Blox construction kits have been designed to work together with the leading brand. Warning: Not suitable for children under 36 months. Small parts. Choking hazard.