Hape's Monster Math Scale is a great way to introduce math to kids. Place the little colorful numbered monster weights on the scale and try to get it to balance. When the math adds up (2+2=4) the scale will balance! Ages 3 and up. Box contains scale, 18 monster weights, complete instructions and a cloth storage bag. Imported. Won ASTRA's (American Specialty Toy Retailers Association) best toy award in 2020.