Measuring over 15 in. (38cm) square, the LEGO DUPLO Green Building Plate (10980) provides the ideal landscape for kids aged 18 months and up to build on, play with and display their wonderful creations. Build preschooler skillsThis 24×24-stud green baseplate is the ideal starting place for little builders. It holds bricks firmly at any angle (even upside down!), opening up an endless world of imaginative play possibilities from grassy gardens to exotic jungles, steep mountainsides to cool, green, flying machines. And, when the building stops, the firm baseplate provides a collapse-free way to transport and display kids handiwork. Playful learning for toddlersParents can share precious developmental milestones as LEGO DUPLO toys put open-ended fun, self-expression and confidence into young children s hands.