Bunny, Big 15 piece Tube by Plus-Plus USA:

Plus-Plus is a new kind of construction toy. Its one simple shape contains endless possibilities - assemble them flat to create a 2-D mosaic or work in 3-D to make more intricate builds. Even curves are possible thanks to the unique design of this deceptively simple shape! Precision crafted in Denmark, all Plus-Plus sets are compatible with each other. The BIG size is perfect for smaller hands or bigger ideas. This 15 piece tube set contains pieces to build a Bunny. Designed and made in Denmark BPA-free and phthalate-free Suggested for ages 18 months and up, and endless fun for a broad range of ages Each piece measures 2" x 1.125" (50mm x 30mm)