MathLink Cubes Activity Set 2-Pack: Dino Time. & Sea Adventures. Features a 23- piece set of 30 double-sided write and wipe activity cards, 200 MathLink Cubes in themed colors, and an Activity Guide. Learn addition, subtraction, patterning, and other school-ready math skills. Hands-on puzzles and activities boost fine motor and critical thinking skills during imaginative adventures. Designed for use with all MathLink Cubes, this set helps kids discover countless open-ended ways to play. Learn, practice, and think through math activities, all while learning with your favorite dinosaurs and sea animals. This 2-pack activity set includes both Dino Time. And Sea Adventures for a total of 60 different math activities. Once you're done, simply put everything back in the box for easy cleanup and storage. Explore the worlds of Dino Tim And Sea Adventures Learn addition and subtraction with hands-on puzzles Practice critical thinking skills with the MathLink cube