Kotaro Pro Bamboo Kendama Toy with Extra String (red) Do not settle for cheap knockoffs. Look for the logo. Buy the pro level Kotaro Kendama. It is not a real Kotaro if it does not have the KK logo. Named after Fuma Kotaro the legendary ninja clan leader in ancient Japan. Ninjas are known for their agility and speed. Improve your hand eye hand coordination with the Kotaro Kendama. Full sized bamboo kendama. Do not be tricked into buying a tiny one that is not any good. Replaceable string. Kendama strings are like yoyo strings. They wear out. Be sure to buy extras so you can replace them if they get dirty, knotted or frayed. Each kendama includes 1 extra string to get your started. Includes extra string. Traditional 7 1/4 inches size from top to bottom when ball is on the spike. Handle is 6 1/4 inches from bottom to tip of spike. Spike is approximately 1 1/2 inches.