This set comes with 5 plant/tree building kits. Each one comes with 50 pieces and when done the tree will be 3-4 inches tall and 2-3 inches wide. This set includes: Balanced Bonsai Calm Cactus Blissful Bonsai Sassy Snake Plant & Tasteful Topiary. MSRP of each is $6.99 Ages 5 & up. Kids and adults love these !