There's no better way to really test yourself than with the Budding Builders Building Set. K'NEX sets are ideal for practising your building skills, and the Budding Builders set's one of the best. With 100 large and colourful parts included, you're going to have hours of fun making lots of great models. Impress your friends and family as you build the 50 different designs shown on the instruction sheet! Then when you've made all of those, get your creative juices flowing as you make up some of your own. This set comes in a plastic tub so you can neatly store all the pieces, and is perfect for developing lots of different skills. Ideal for future engineers aged 3 and up.