A 16.5 ft paper roll feeds over the top of the frame, giving a fresh surface whenever a drawing is finished, alongside a 15.5" x 14" whiteboard and chalkboard. Height adjusts in 2.5" steps from 31" to 41" as a child grows. Monterey pine and MDF form a triangular frame that resists rocking, with an 18" storage tray for pens and chalk. ASTM and CPSIA certified for children over three. Overall 20" x 21"; net weight 8 lbs.