4 years & up. Develop social emotional and STEM skills in a collaborative, play-based environment with the IO Blocks® Center. This all-in-one table brings movement, simple machines and dramatic play to the original IO Blocks® friction-fit, construction toy platform. Combine gears, slides, IO people and standard IO Blocks® pieces to create limitless builds using problem solving, introductory architecture and budding STEM skills. Constructions are stabilized on the raised grid tabletop while the sturdy birch plywood table features handy storage below to hold IO Blocks® and additional parts. Easy assembly - simply affix the enclosed table legs to the IO Blocks® tabletop. Measures 31”L x 22”W x 23”H.