So much building fun in one big bucket! All 15 zoo-themed blocks are easy to connect and stack up high-in different ways-right on the lid. A variety of shapes and sizes offers fascinating fun, with charming animals, bright colors and interesting activities. Textured surfaces and colorful characters to explore inside each block. Build a whole collection! Look for other sets of Peek-a-Blocks Builders™ and watch the fun stack up! They're full of delightful themes and surprises, with easy-to-connect surfaces and bumpy bases that fit together too. Each sold separately and subject to availability.