Our Amish crafted Wooden Single Marble Roller with Bird is sure to delight the child in all of us. Constructed of solid woods, standing 20” long 4” wide and 18” high and finished in non-toxic child safe lacquer. Marbles travel down the “waterfall” single track to trigger one spinning wheel and one bird. This Marble roller is made in the USA and there are marbles included and you can use your own. This Wooden Single Marble Roller with Bird is great for enthusiasts and children alike. Not for ages 3 yrs and under.