Amazon has this LEGO DUPLO My First Puzzle Pets 10858 Building Blocks (18 Piece) for $5.99 as an add on item.
Sort and build 3 LEGO DUPLO toddler puzzles of animals with baby building blocks in bright primary colors
This educational toy for toddlers includes a cat, dog and a bird, with decorated food bricks for each pet
Match the dog bone, fish and bird seed bricks to the correct pet with this great animal toy for toddlers
Yellow bird measures over 3” (8cm) high, 3” (9cm) wide and 2” (6cm) deep blue cat measures over 4” (11cm) high, 2” (6cm) wide and 1” (3cm) deep red dog measures over 3” (10cm) high, 3” (9cm) wide and 2” (6cm) deep
18 pieces – Toddler toy for boys and girls between the ages of 1½ and 3 years