Encourage learning to crawl adventures and sensory exploration with our cute crawling crab baby toy! Featuring four grow-with-baby stages, our action-packed baby crawl toy engages little ones with lights, fun sound effects, cheerful music and lots of movement to help get baby crawling. Start baby off with rattle & teething play, then move onto sorting & stacking as your little one learns, grows and develops. Beginning crawlers will love to follow along as the interactive crab peeks out from under its shell and moves in a circular pattern, while advanced crawlers are encouraged to chase the crab as it moves in more random patterns. Features: -Age 5m+ -Grows with baby in 4 stages -Stage 1 (5m+) Rattle & Teethe: Easy-grab shapes & soft teether -Stage 2 (5-12m+) Sort & Stack: 3-piece stacker with rewarding lights & sounds -Stage 3 (9-12m+) Beginning Crawlers: Crab moves in circular pattern and stays close -Stage 4 (9-12m+) Advanced Crawlers: Crab moves in random pattern to encourage chasing -3 songs & 15 sound effects -Smart sensor avoids obstacles -Encourages grasping, fine & gross motor skills, sensory development, hand/eye coordination & visual tracking -Helps teach cause & effect, problem solving & object permanence -Size (inches): 6L x 6W x 5.8H; (cm): 15.24L x 15.24W x 14.73H