3 years & up. Comprehensive set includes 14 photo cards, 14 positional word cards, a large 2-piece doghouse, and two large puppy cutouts. Pieces easily adapt to flannel board or magnet board use (flannel and magnets not included). Teach concepts of over, under, inside, next to, between, behind, in front, and more. Multi-lingual activity guide included. Supports NCTE, NAEYC, and NCTM standards.