3 years & up. Encourage your children to explore their building block with this Appropriate Sized Preschool Light Table for Block Play and More. This exciting table promotes fine motor skills, exploration, and curiosity. Children can explore the features of their blocks, natural elements, or even art projects. The sturdy, freestanding table fits where space is limited. This light table accommodates four prism bases for block play. Prism bricks and plates sold separately. Minor assembly required. Measures 24"H x 23"W x 23"D.