Classic Blocks & Marbles Set
If you love puzzle games and are looking for something new, try this Classic Blocks & Marbles Set. It will allow you to build your own marble mazes with hardwood blocks. Not only is it a great way to learn physics, it is also fun.
You get 21 blocks, 8 marbles and a storage bag. Science doesn’t have to be boring. Use the 21 blocks to create whatever you like, like a maze, a tower, or whatever. Then set the marbles on their way and watch them go from the top to the bottom.
Just $29.99 from Thinkgeek. Your kids will love it.