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- Musical pull-along caterpillar with building bases that appear as you roll!
- Includes buildable bumblebee and First Builders blocks in new colors and printed patterns
- On/Off switch for sounds
- Perfect for little hands
- Compatible with all First Builders sets
- Happy little critter comes with First Builders blocks in new colors and printed patterns, as well as a buildable bumblebee that can stack on the caterpillar's back for building on the go!
- On/off switch
- Choosing a selection results in a full page refresh