Building set includes 1 rolling police car, 1 cute Block Buddies driver and 4 big building blocks with printed decorations, designed to be durable Build onto the police car's removable roof, or store blocks away inside the vehicle Blocks are compatible with all Lil' Vehicles playsets and MEGA BLOKS building toys for endless learning fun Ideal for ages 1+, and endorsed by Fisher-Price, First Builders blocks are the perfect fit for little hands, designed to develop thinking and fine motor skills Your toddler can roll out for playtime when they sit their Block Buddies driver inside the police car and head out on patrol. Your little builder can set the scene when they use 4 big building blocks to build on the police car's removeable roof. Turn on the sirens, it's time to build. Ideal for First Builders, ages 1+