$25 to $50

Included in TIME's Best Inventions of 2024 list! Move over boring marble runs, there's a new kit in town. Witness physics in action with this innov...

It's a new sliding puzzle with a twist: a rotating forest which you must guide your characters through, until you've completed one of the 80 challe...

How many ways can you design a gumball machine? There's no limit here! Place the pieces in different configurations–turn the handle and see if your...

Find all your fave Pokémon characters in this shifting maze that changes every time you play for endless gaming fun. Includes one game board, 34 ma...

Stack hollow cubes to magically propel stainless steel marbles down a track for a truly mesmerizing experience! Eighteen special tracks grow wider ...