From Skip hop, this set features: Four-piece set includes three fish and a fishing pole A fun intro to STEM learning (science, technology, engineering and math) Science: fish change color in warm water Math: numbered fish from 1 to 3 Weighted hook allows for easier fishing Fishing pole with realistic cranking sound Helps teach cause-and- effect, numbers and counting Encourages hand-eye coordination and fine motor skills Coordinates with Skip Hop STEM Bath Toys collection For ages 2 and up Imported.