With 48 wooden pieces (including nuts bolts drilled bars to connect and a child-size screwdriver) this classic building set gives kids all they need to tinker and build! Printed right on the sturdy storage box are building plans for a crane motorcycle airplane and race car to get the fun started. With some imagination and a few creative twists and turns kids can make hundreds more amazing structures too! Any time kids play with this durable set they'll be building fine motor skills problem-solving skills and hand-eye coordination. Included extension activities guide parents to educational activities that also build early math skills. 48-piece wooden building setIncludes 12 bolts 8 nuts 16 building boards 6 blocks screwdriver and storage box.Storage box is predrilled so it can become part of a structure too!Illustrated building guides show how to create a crane motorcycle airplane and race car.Promotes counting sorting and fine motor skills; encourages problem solving and constructive play.