A all time favorite. LEGO has building toys from trains to starfighters. Lego System for ages 3 through 12 and Technic for ages 7 and up. The toys within each brand are designed to meet a child's age, interests and stage of development.
Prices vary for different sets.
Skeletons, snakes, a hot air balloon and many special places to visit add to the fun as you search for the treasured ruby.