Check out the Klutz LEGO Chain Reactions Craft Kit for only $9.19 at Amazon. That’s 58% off. There is a $4.99 shipping fee, but this beats the sale price at Walmart–even with shipping.

The set includes 80 page instructions, 33 LEGO pieces, instructions for 10 modules, 6 plastic balls, string, paper ramps and other components. Design and build 10 amazing moving machines.

Klutz LEGO Chain Reactions Craft Kit (reg $21.99) $9.19
Pay $9.19, plus $4.99 shipping
Final Price: $14.18