Fat Brain Toys Smarty Blocks Speedy skill builders for growing young minds; 160 challenge cards, 2 difficulty levels meet children at their skill level, smoothly transitions them to the next Orange cards: No reading required! Stack the blocks to recreate the pattern shown on the card; Blue cards: use the letter and number sides of blocks to complete the challenges  Example: "What's a THREE letter word that ends with T?" Great for ages 5+; blocks made of strong, high-quality wood; fully safety tested; cards are strong and durable, stand up to endless play Strengthens fine motor skills, reading, spelling, number concepts, spatial acuity, pattern recognition, critical thinking; ideal for both non-readers and readers; based on National Common Core Standards; darling graphics keep kids engaged Includes 10 beautiful wooden blocks, 160 durable challenge cards; game play for 2 to 4 players; made in China Fine Motor Skills Pattern Recognition Color-Matching Visual-Spatial Skills Logic Creativity Reading Phonetic Skills Spelling Number Concepts Critical Thinking