Discovery Toys MEASURE UP! Cups Loaded with play value, these cups go way above & beyond other stacking cups! 12 cups are volumetrically correct, sequentially sized, and sequentially numbered. (e.g. 1 cup + 2 cup = 3 cup). Scoop, fill, dump, nest and stack! Raised ridges to stabilize for stacking. Numbers shown in numeral, quantity & word form. Relief pattern of the number and matching number of dots found inside each cup for tactile identification. Bottom of cups includes relief detail of 12 different animals for stamping play. Animals are progressively sized to correspond with their cups. Dot patterns on front of the cups correspond to clock times. Explore counting, sorting, sequencing, addition, subtraction & multiplication. Numbers in English, French and Spanish. Includes extensive activity guide (English & French)! From 12 Months. BPA Free.