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" x 3" x 3.75".