With orders of $25 or more, Amazon offers the WowWee Magnaflex 14-Piece Animals Set for $4.94 $4.20 with free shipping. That's the lowest price we could find by $6, although most retailers charge $20 or more. It features eight flexible magnetic strips, six connector pieces, and step-by-step instructions.

Note: This item is part of Amazon's "add-on" program and can only be purchased with an order of $25 or more.