This is an educational toy that you can freely assemble using 100 parts. Each part was wiped down with alcohol during inspection. The parts are clean as they have only been used about 5 times, but the box and instruction manual have tears and folds. One orange part (number 29) is missing. Includes 13 balls Includes 4 marbles and 1 super ball. - Brand: KUMON TOY - Product Name: Kumi Kumi Slope Tappuri 100 - Target Age: 3 years and up - Features: Freely assemblable with 100 parts