MADE FOR TODDLERS & PRESCHOOLERS – This junior marble run is designed for ages 2+, using jumbo pieces and kid-safe balls so young children can safely enjoy classic marble run and ball drop play.

35-PIECE BALL DROP BUILDING SET – Includes 33 jumbo construction pieces and 2 child-safe balls for building colorful ball drop tracks and marble run mazes sized just right for little hands.

WATCH BALLS DROP, ROLL & RACE – Kids send balls dropping, rolling, and tumbling through their mazes, discovering cause & effect while experimenting with speed, gravity, and direction.

START FAST, THEN BUILD MORE – Follow 2 easy starter courses to begin, then create custom ball drop paths and rolling ball maze designs, again and again.

INCLUDES PLAY & LEARN ACTIVITY CARDS – Comes with 4 Play & Learn Cards filled with toddler- and preschool-friendly building ideas that inspire creativity and early problem solving.

AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!