Popular Playthings Mag Builder Building Set (40 Piece) Popular Playthings present the Mag Builder - a new and exciting way to build! Mag Builder was designed with the younger child in mind The pieces are colorful, oversized, and easy to hold; And, they magnetically snap together and come apart again and again! Unlike many construction toys there is no "correct way" to build with Mag Builder; This allows the child to "think outside the box" and helps develop abstract thinking which will help them throughout life Include 40 pieces of the Mag Builder modules and an idea sheet So what are you waiting for? Think Big! Think Mag Builder!