How much does this cost to the nearest dollar?

Marble Genius Marble Run Starter Set STEM Toy for Kids Ages 4-12 - 130 Complete Pieces (80 Translucent Marbulous Pieces and 50 Glass Marbles), Construction Building Block Toys, Theme (Dinosaur)
WATCH THE ACTION HAPPEN This see-through Marble Run set is the ultimate maze for marble enthusiasts! With its transparent design, you can follow your marbles' journey from start to finish. The March 2019 update includes 20 extra pieces and 40 marbles, making it easier to create even more complex and exciting tracks. Build a race track, maze or just watch in awe as your marbles spiral and slide their way through the obstacles. DURABILITY Solid plastic pieces that stick together make for an exciting and easy-to-play-with run set race track maze for

Price is $50.00
Price: $49.99