Search query: playground engineering & design building set

Product: Marble Genius Marble Run Super Set - 150 Complete Pieces + Free Instruction App & Full Color Instruction Manual
Brand: Marble Genius
Relevance: Substitute
This vibrant Marble Run comes with 85 complete translucent pieces that allow you to see the marble action from top to bottom as the 65 glass marbles make their way down the set. The solid plastic pieces allow for easy use by young kids and adults. Marble Runs allow for almost infinite possibilities for assembly from the very simple to the extremely complex. This Marble Run Super Set is the perfect way to allow you to start discovering the endless possibilities and excitement that comes from designing a run and watching the marbles make their way down the set.
85 complete see-through Marble Run pieces in 19 distinct styles allow you to see all the action (we don't count pieces like everyone else - these are actual complete pieces and not parts that have to be added together! See comparison in Product Description.)
Solid plastic pieces that stick together and are easy for kids to play with
8 solid bases including 3 large bases to ensure maximum stability (large base designs vary slightly per included pieces image)
Free Marble Genius Instruction App with purchase that includes 9 step-by-step guides, fun challenges, and regularly updated content (iOS or Android)
Compatible with Marbulous Marble Run Toys including our Marble Genius Marble Run Starter Set (60 pc.), Extreme Set (125 pc.), Booster Set (20 pc.), & 9 Accessory Sets. Standard Toy Size Marbles (5/8 inch or smaller) work with this set (65 Glass Marbles Included)

Product: Crazy Forts, Purple, 69 Pieces
Brand: Crazy Forts
Color: Purple
Relevance: Substitute
Crazy Forts are a unique building and creative toy.
Create a cave 1 day, an Igloo, Pirate Ship, or Castle the next, put the pieces together in different configurations, cover with bed sheets and voila.
Package weight : 4.05 Lbs
Product Type : Toys and Games
Durable

Product: Lifetime Geometric Dome Climber Play Center (Primary Colors), 60-Inch
Brand: Lifetime
Color: Primary
Relevance: Substitute
Heavy duty construction; weather and rust-resistant powder-coated steel
Strong, interactive design; high-density polyethylene (HDPE) climbing grips
Suitable for children ages 3-10; 600 lb. total weight capacity
10 feet wide and 5 feet high, assembled dimensions
1-Year Warranty