So, How long can you defy gravity??? This is a full size Jenga game. 10.5" (26 cm) x 10.5" (26 cm) x 24" (61 cm) high. 18 tiers with three pieces per tier - total of 54 pieces. Made of Pine and Cedar pieces Polyurethane finished. Be careful when you pull that last piece, they will hurt a bit if a toe is in the way.