Following on from Lego's incredibly successful Crazy Action Contraptions (9781591747697), make amazing moving machines in Lego Chain Reactions! Children can build eight simple machines that can be combined to set off a chain reaction. They can use all the included LEGO pieces in conjunction with their own collection to build the contraptions and record all their experiments in the pages of the book. It comes with everything you need, including 20 LEGO pieces, instructions and paper ramps.
- Need Amazon Prime? You can get a 30-day free trial here.
- Have you got the free Amazon App yet? Live delivery updates!
- Tip: Use an Amazon Wish List to Save Deals for Later
- Get a 1-month free trial of Audible.
- Get a 1-month free trial of Amazon Prime Video
- Find bargains with our Amazon Discount Finder tool.
- Just under £20? Find something cheap for free delivery.
Money saving guides written by our experts
Join Latest Deals for free and get a hand-picked list of the best deals, delivered straight to your inbox. Fancy yourself as a bit of a bargain hunter? Share deals you find and earn Amazon vouchers!
Chief Bargain Hunter