Bamboo – Muuli It’s easy to load up the donkey’s backpack. The trick is to unload without it collapsing! Lay Muuli flat inside the box to load the irregular bamboo rings in the elastic, stringed circle. Tighten the elastic then use the box to stand it up. Remove the box to play. Durable child safe paint finish and solid bamboo and wood construction are hallmarks of Hape toys. Hape’s toys stimulate children through every stage of development and help nurture and develop their natural abilities. All Hape products sold in North America meet or exceed all applicable safety standards.