Test your math skills by being the first to solve the math problems and hammer in the correct nails to build your house. This hands-on fine motor math game features multiple levels of play for different ages — build a birdhouse, a doghouse and more! Includes 2 house frames, 2 hammers, 25 plastic nails and 1 set of game cards. House measures 3.5 in x 3 in x 3.75 in. Ages 3+.