4th Grade: Engineering Toys What's in the kit? To download a pdf of this image, click here.To download a pdf of this image, click here. Click image to enlarge. Fourth Grade Engineering Toys Kit Quantity Price: $594.00 Shipping: $54.00 Updating cart... People who bought this item also boughtFourth Grade Investigating Chemistry$495.00Science Explorer for Groups Refill Kit$450.00Third Grade Scientific Thinking$687.50 Updating...