Our newest, and most portable version of our interlocking block series! Comprised of (at least) 6 monochromatic pieces, this cheerful set contains one of a kind pieces and new prototype shapes. Each set is slightly different and definitely awesome. Perfect for your most imaginative builder, the oddball pieces that come in this set are totally unique (aka, you can't get these shapes anywhere else). This set plays perfectly as a stand-alone, or as a play-extending addition to one of our more traditional block sets. Our interlocking block line features innovative notched connections that encourage creative problem-solving and geometric exploration. Made out of recycled water bottles, our durable + washable Mini Color Sets contain (at least) 6 monochromatic mystery pieces and is perfectly sized for summer travel or restaurant activities! Recommended for ages 3+